commit:     c5a6fc32afe24d782c29b6d3986626c53f7b6da4
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Sun Mar  7 15:15:55 2021 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Sun Mar  7 15:15:55 2021 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=c5a6fc32

Linux patch 5.4.103

Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>

 0000_README              |    4 +
 1102_linux-5.4.103.patch | 3388 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 3392 insertions(+)

diff --git a/0000_README b/0000_README
index f881b7b..396b6d9 100644
--- a/0000_README
+++ b/0000_README
@@ -451,6 +451,10 @@ Patch:  1101_linux-5.4.102.patch
 From:   http://www.kernel.org
 Desc:   Linux 5.4.102
 
+Patch:  1102_linux-5.4.103.patch
+From:   http://www.kernel.org
+Desc:   Linux 5.4.103
+
 Patch:  1500_XATTR_USER_PREFIX.patch
 From:   https://bugs.gentoo.org/show_bug.cgi?id=470644
 Desc:   Support for namespace user.pax.* on tmpfs.

diff --git a/1102_linux-5.4.103.patch b/1102_linux-5.4.103.patch
new file mode 100644
index 0000000..5bc570a
--- /dev/null
+++ b/1102_linux-5.4.103.patch
@@ -0,0 +1,3388 @@
+diff --git a/Documentation/devicetree/bindings/net/btusb.txt 
b/Documentation/devicetree/bindings/net/btusb.txt
+index b1ad6ee68e909..c51dd99dc0d3c 100644
+--- a/Documentation/devicetree/bindings/net/btusb.txt
++++ b/Documentation/devicetree/bindings/net/btusb.txt
+@@ -38,7 +38,7 @@ Following example uses irq pin number 3 of gpio0 for out of 
band wake-on-bt:
+       compatible = "usb1286,204e";
+       reg = <1>;
+       interrupt-parent = <&gpio0>;
+-      interrupt-name = "wakeup";
++      interrupt-names = "wakeup";
+       interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
+     };
+ };
+diff --git a/Documentation/devicetree/bindings/net/ethernet-controller.yaml 
b/Documentation/devicetree/bindings/net/ethernet-controller.yaml
+index 0e7c31794ae6c..4f78e9a6da609 100644
+--- a/Documentation/devicetree/bindings/net/ethernet-controller.yaml
++++ b/Documentation/devicetree/bindings/net/ethernet-controller.yaml
+@@ -190,6 +190,11 @@ properties:
+                 Indicates that full-duplex is used. When absent, half
+                 duplex is assumed.
+ 
++            pause:
++              $ref: /schemas/types.yaml#definitions/flag
++              description:
++                Indicates that pause should be enabled.
++
+             asym-pause:
+               $ref: /schemas/types.yaml#definitions/flag
+               description:
+diff --git a/Documentation/filesystems/sysfs.txt 
b/Documentation/filesystems/sysfs.txt
+index ddf15b1b0d5a4..33ec0a01450dd 100644
+--- a/Documentation/filesystems/sysfs.txt
++++ b/Documentation/filesystems/sysfs.txt
+@@ -232,12 +232,10 @@ Other notes:
+   is 4096. 
+ 
+ - show() methods should return the number of bytes printed into the
+-  buffer. This is the return value of scnprintf().
++  buffer.
+ 
+-- show() must not use snprintf() when formatting the value to be
+-  returned to user space. If you can guarantee that an overflow
+-  will never happen you can use sprintf() otherwise you must use
+-  scnprintf().
++- show() should only use sysfs_emit() or sysfs_emit_at() when formatting
++  the value to be returned to user space.
+ 
+ - store() should return the number of bytes used from the buffer. If the
+   entire buffer has been used, just return the count argument.
+diff --git a/Makefile b/Makefile
+index 80ff67e5f73a6..c95435d78fcbb 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 5
+ PATCHLEVEL = 4
+-SUBLEVEL = 102
++SUBLEVEL = 103
+ EXTRAVERSION =
+ NAME = Kleptomaniac Octopus
+ 
+diff --git a/arch/arm/xen/p2m.c b/arch/arm/xen/p2m.c
+index fd6e3aafe2724..acb464547a54f 100644
+--- a/arch/arm/xen/p2m.c
++++ b/arch/arm/xen/p2m.c
+@@ -93,12 +93,39 @@ int set_foreign_p2m_mapping(struct gnttab_map_grant_ref 
*map_ops,
+       int i;
+ 
+       for (i = 0; i < count; i++) {
++              struct gnttab_unmap_grant_ref unmap;
++              int rc;
++
+               if (map_ops[i].status)
+                       continue;
+-              if (unlikely(!set_phys_to_machine(map_ops[i].host_addr >> 
XEN_PAGE_SHIFT,
+-                                  map_ops[i].dev_bus_addr >> 
XEN_PAGE_SHIFT))) {
+-                      return -ENOMEM;
+-              }
++              if (likely(set_phys_to_machine(map_ops[i].host_addr >> 
XEN_PAGE_SHIFT,
++                                  map_ops[i].dev_bus_addr >> XEN_PAGE_SHIFT)))
++                      continue;
++
++              /*
++               * Signal an error for this slot. This in turn requires
++               * immediate unmapping.
++               */
++              map_ops[i].status = GNTST_general_error;
++              unmap.host_addr = map_ops[i].host_addr,
++              unmap.handle = map_ops[i].handle;
++              map_ops[i].handle = ~0;
++              if (map_ops[i].flags & GNTMAP_device_map)
++                      unmap.dev_bus_addr = map_ops[i].dev_bus_addr;
++              else
++                      unmap.dev_bus_addr = 0;
++
++              /*
++               * Pre-populate the status field, to be recognizable in
++               * the log message below.
++               */
++              unmap.status = 1;
++
++              rc = HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref,
++                                             &unmap, 1);
++              if (rc || unmap.status != GNTST_okay)
++                      pr_err_once("gnttab unmap failed: rc=%d st=%d\n",
++                                  rc, unmap.status);
+       }
+ 
+       return 0;
+diff --git a/arch/arm64/kernel/module.lds b/arch/arm64/kernel/module.lds
+index 22e36a21c1134..09a0eef71d12b 100644
+--- a/arch/arm64/kernel/module.lds
++++ b/arch/arm64/kernel/module.lds
+@@ -1,5 +1,5 @@
+ SECTIONS {
+-      .plt (NOLOAD) : { BYTE(0) }
+-      .init.plt (NOLOAD) : { BYTE(0) }
+-      .text.ftrace_trampoline (NOLOAD) : { BYTE(0) }
++      .plt 0 (NOLOAD) : { BYTE(0) }
++      .init.plt 0 (NOLOAD) : { BYTE(0) }
++      .text.ftrace_trampoline 0 (NOLOAD) : { BYTE(0) }
+ }
+diff --git a/arch/mips/include/asm/string.h b/arch/mips/include/asm/string.h
+index 29030cb398ee5..1de3bbce8e88a 100644
+--- a/arch/mips/include/asm/string.h
++++ b/arch/mips/include/asm/string.h
+@@ -10,127 +10,6 @@
+ #ifndef _ASM_STRING_H
+ #define _ASM_STRING_H
+ 
+-
+-/*
+- * Most of the inline functions are rather naive implementations so I just
+- * didn't bother updating them for 64-bit ...
+- */
+-#ifdef CONFIG_32BIT
+-
+-#ifndef IN_STRING_C
+-
+-#define __HAVE_ARCH_STRCPY
+-static __inline__ char *strcpy(char *__dest, __const__ char *__src)
+-{
+-  char *__xdest = __dest;
+-
+-  __asm__ __volatile__(
+-      ".set\tnoreorder\n\t"
+-      ".set\tnoat\n"
+-      "1:\tlbu\t$1,(%1)\n\t"
+-      "addiu\t%1,1\n\t"
+-      "sb\t$1,(%0)\n\t"
+-      "bnez\t$1,1b\n\t"
+-      "addiu\t%0,1\n\t"
+-      ".set\tat\n\t"
+-      ".set\treorder"
+-      : "=r" (__dest), "=r" (__src)
+-      : "0" (__dest), "1" (__src)
+-      : "memory");
+-
+-  return __xdest;
+-}
+-
+-#define __HAVE_ARCH_STRNCPY
+-static __inline__ char *strncpy(char *__dest, __const__ char *__src, size_t 
__n)
+-{
+-  char *__xdest = __dest;
+-
+-  if (__n == 0)
+-    return __xdest;
+-
+-  __asm__ __volatile__(
+-      ".set\tnoreorder\n\t"
+-      ".set\tnoat\n"
+-      "1:\tlbu\t$1,(%1)\n\t"
+-      "subu\t%2,1\n\t"
+-      "sb\t$1,(%0)\n\t"
+-      "beqz\t$1,2f\n\t"
+-      "addiu\t%0,1\n\t"
+-      "bnez\t%2,1b\n\t"
+-      "addiu\t%1,1\n"
+-      "2:\n\t"
+-      ".set\tat\n\t"
+-      ".set\treorder"
+-      : "=r" (__dest), "=r" (__src), "=r" (__n)
+-      : "0" (__dest), "1" (__src), "2" (__n)
+-      : "memory");
+-
+-  return __xdest;
+-}
+-
+-#define __HAVE_ARCH_STRCMP
+-static __inline__ int strcmp(__const__ char *__cs, __const__ char *__ct)
+-{
+-  int __res;
+-
+-  __asm__ __volatile__(
+-      ".set\tnoreorder\n\t"
+-      ".set\tnoat\n\t"
+-      "lbu\t%2,(%0)\n"
+-      "1:\tlbu\t$1,(%1)\n\t"
+-      "addiu\t%0,1\n\t"
+-      "bne\t$1,%2,2f\n\t"
+-      "addiu\t%1,1\n\t"
+-      "bnez\t%2,1b\n\t"
+-      "lbu\t%2,(%0)\n\t"
+-#if defined(CONFIG_CPU_R3000)
+-      "nop\n\t"
+-#endif
+-      "move\t%2,$1\n"
+-      "2:\tsubu\t%2,$1\n"
+-      "3:\t.set\tat\n\t"
+-      ".set\treorder"
+-      : "=r" (__cs), "=r" (__ct), "=r" (__res)
+-      : "0" (__cs), "1" (__ct));
+-
+-  return __res;
+-}
+-
+-#endif /* !defined(IN_STRING_C) */
+-
+-#define __HAVE_ARCH_STRNCMP
+-static __inline__ int
+-strncmp(__const__ char *__cs, __const__ char *__ct, size_t __count)
+-{
+-      int __res;
+-
+-      __asm__ __volatile__(
+-      ".set\tnoreorder\n\t"
+-      ".set\tnoat\n"
+-      "1:\tlbu\t%3,(%0)\n\t"
+-      "beqz\t%2,2f\n\t"
+-      "lbu\t$1,(%1)\n\t"
+-      "subu\t%2,1\n\t"
+-      "bne\t$1,%3,3f\n\t"
+-      "addiu\t%0,1\n\t"
+-      "bnez\t%3,1b\n\t"
+-      "addiu\t%1,1\n"
+-      "2:\n\t"
+-#if defined(CONFIG_CPU_R3000)
+-      "nop\n\t"
+-#endif
+-      "move\t%3,$1\n"
+-      "3:\tsubu\t%3,$1\n\t"
+-      ".set\tat\n\t"
+-      ".set\treorder"
+-      : "=r" (__cs), "=r" (__ct), "=r" (__count), "=r" (__res)
+-      : "0" (__cs), "1" (__ct), "2" (__count));
+-
+-      return __res;
+-}
+-#endif /* CONFIG_32BIT */
+-
+ #define __HAVE_ARCH_MEMSET
+ extern void *memset(void *__s, int __c, size_t __count);
+ 
+diff --git a/arch/mips/vdso/Makefile b/arch/mips/vdso/Makefile
+index 996a934ece7d6..d3cd9c4cadc28 100644
+--- a/arch/mips/vdso/Makefile
++++ b/arch/mips/vdso/Makefile
+@@ -16,12 +16,9 @@ ccflags-vdso := \
+       $(filter -march=%,$(KBUILD_CFLAGS)) \
+       $(filter -m%-float,$(KBUILD_CFLAGS)) \
+       $(filter -mno-loongson-%,$(KBUILD_CFLAGS)) \
++      $(CLANG_FLAGS) \
+       -D__VDSO__
+ 
+-ifdef CONFIG_CC_IS_CLANG
+-ccflags-vdso += $(filter --target=%,$(KBUILD_CFLAGS))
+-endif
+-
+ #
+ # The -fno-jump-tables flag only prevents the compiler from generating
+ # jump tables but does not prevent the compiler from emitting absolute
+diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c
+index e5fcfb70cc7c0..4d54aa70ea5f3 100644
+--- a/arch/parisc/kernel/irq.c
++++ b/arch/parisc/kernel/irq.c
+@@ -376,7 +376,11 @@ static inline int eirr_to_irq(unsigned long eirr)
+ /*
+  * IRQ STACK - used for irq handler
+  */
++#ifdef CONFIG_64BIT
++#define IRQ_STACK_SIZE      (4096 << 4) /* 64k irq stack size */
++#else
+ #define IRQ_STACK_SIZE      (4096 << 3) /* 32k irq stack size */
++#endif
+ 
+ union irq_stack_union {
+       unsigned long stack[IRQ_STACK_SIZE/sizeof(unsigned long)];
+diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
+index b24c38090dd99..90760393a9643 100644
+--- a/arch/x86/events/intel/core.c
++++ b/arch/x86/events/intel/core.c
+@@ -4002,6 +4002,9 @@ static const struct x86_cpu_desc isolation_ucodes[] = {
+       INTEL_CPU_DESC(INTEL_FAM6_BROADWELL_X,           2, 0x0b000014),
+       INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_X,             3, 0x00000021),
+       INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_X,             4, 0x00000000),
++      INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_X,             5, 0x00000000),
++      INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_X,             6, 0x00000000),
++      INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_X,             7, 0x00000000),
+       INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_L,             3, 0x0000007c),
+       INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE,               3, 0x0000007c),
+       INTEL_CPU_DESC(INTEL_FAM6_KABYLAKE,              9, 0x0000004e),
+diff --git a/arch/x86/kernel/module.c b/arch/x86/kernel/module.c
+index d5c72cb877b31..77dabedaa9d12 100644
+--- a/arch/x86/kernel/module.c
++++ b/arch/x86/kernel/module.c
+@@ -114,6 +114,7 @@ int apply_relocate(Elf32_Shdr *sechdrs,
+                       *location += sym->st_value;
+                       break;
+               case R_386_PC32:
++              case R_386_PLT32:
+                       /* Add the value, subtract its position */
+                       *location += sym->st_value - (uint32_t)location;
+                       break;
+diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
+index 835b6fc0c1bbf..b1b96d461bc76 100644
+--- a/arch/x86/kernel/reboot.c
++++ b/arch/x86/kernel/reboot.c
+@@ -477,6 +477,15 @@ static const struct dmi_system_id reboot_dmi_table[] 
__initconst = {
+               },
+       },
+ 
++      {       /* PCIe Wifi card isn't detected after reboot otherwise */
++              .callback = set_pci_reboot,
++              .ident = "Zotac ZBOX CI327 nano",
++              .matches = {
++                      DMI_MATCH(DMI_SYS_VENDOR, "NA"),
++                      DMI_MATCH(DMI_PRODUCT_NAME, "ZBOX-CI327NANO-GS-01"),
++              },
++      },
++
+       /* Sony */
+       {       /* Handle problems with rebooting on Sony VGN-Z540N */
+               .callback = set_bios_reboot,
+diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c
+index ce7188cbdae58..1c3a1962cade6 100644
+--- a/arch/x86/tools/relocs.c
++++ b/arch/x86/tools/relocs.c
+@@ -867,9 +867,11 @@ static int do_reloc32(struct section *sec, Elf_Rel *rel, 
Elf_Sym *sym,
+       case R_386_PC32:
+       case R_386_PC16:
+       case R_386_PC8:
++      case R_386_PLT32:
+               /*
+-               * NONE can be ignored and PC relative relocations don't
+-               * need to be adjusted.
++               * NONE can be ignored and PC relative relocations don't need
++               * to be adjusted. Because sym must be defined, R_386_PLT32 can
++               * be treated the same way as R_386_PC32.
+                */
+               break;
+ 
+@@ -910,9 +912,11 @@ static int do_reloc_real(struct section *sec, Elf_Rel 
*rel, Elf_Sym *sym,
+       case R_386_PC32:
+       case R_386_PC16:
+       case R_386_PC8:
++      case R_386_PLT32:
+               /*
+-               * NONE can be ignored and PC relative relocations don't
+-               * need to be adjusted.
++               * NONE can be ignored and PC relative relocations don't need
++               * to be adjusted. Because sym must be defined, R_386_PLT32 can
++               * be treated the same way as R_386_PC32.
+                */
+               break;
+ 
+diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c
+index 7fe5be8e6d3db..12fcb3858303a 100644
+--- a/arch/x86/xen/p2m.c
++++ b/arch/x86/xen/p2m.c
+@@ -714,6 +714,8 @@ int set_foreign_p2m_mapping(struct gnttab_map_grant_ref 
*map_ops,
+ 
+       for (i = 0; i < count; i++) {
+               unsigned long mfn, pfn;
++              struct gnttab_unmap_grant_ref unmap[2];
++              int rc;
+ 
+               /* Do not add to override if the map failed. */
+               if (map_ops[i].status != GNTST_okay ||
+@@ -731,10 +733,46 @@ int set_foreign_p2m_mapping(struct gnttab_map_grant_ref 
*map_ops,
+ 
+               WARN(pfn_to_mfn(pfn) != INVALID_P2M_ENTRY, "page must be 
ballooned");
+ 
+-              if (unlikely(!set_phys_to_machine(pfn, FOREIGN_FRAME(mfn)))) {
+-                      ret = -ENOMEM;
+-                      goto out;
++              if (likely(set_phys_to_machine(pfn, FOREIGN_FRAME(mfn))))
++                      continue;
++
++              /*
++               * Signal an error for this slot. This in turn requires
++               * immediate unmapping.
++               */
++              map_ops[i].status = GNTST_general_error;
++              unmap[0].host_addr = map_ops[i].host_addr,
++              unmap[0].handle = map_ops[i].handle;
++              map_ops[i].handle = ~0;
++              if (map_ops[i].flags & GNTMAP_device_map)
++                      unmap[0].dev_bus_addr = map_ops[i].dev_bus_addr;
++              else
++                      unmap[0].dev_bus_addr = 0;
++
++              if (kmap_ops) {
++                      kmap_ops[i].status = GNTST_general_error;
++                      unmap[1].host_addr = kmap_ops[i].host_addr,
++                      unmap[1].handle = kmap_ops[i].handle;
++                      kmap_ops[i].handle = ~0;
++                      if (kmap_ops[i].flags & GNTMAP_device_map)
++                              unmap[1].dev_bus_addr = 
kmap_ops[i].dev_bus_addr;
++                      else
++                              unmap[1].dev_bus_addr = 0;
+               }
++
++              /*
++               * Pre-populate both status fields, to be recognizable in
++               * the log message below.
++               */
++              unmap[0].status = 1;
++              unmap[1].status = 1;
++
++              rc = HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref,
++                                             unmap, 1 + !!kmap_ops);
++              if (rc || unmap[0].status != GNTST_okay ||
++                  unmap[1].status != GNTST_okay)
++                      pr_err_once("gnttab unmap failed: rc=%d st0=%d 
st1=%d\n",
++                                  rc, unmap[0].status, unmap[1].status);
+       }
+ 
+ out:
+diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
+index 83ad0b1fab30a..0cece1f883ebe 100644
+--- a/crypto/tcrypt.c
++++ b/crypto/tcrypt.c
+@@ -198,8 +198,8 @@ static int test_mb_aead_jiffies(struct test_mb_aead_data 
*data, int enc,
+                       goto out;
+       }
+ 
+-      pr_cont("%d operations in %d seconds (%ld bytes)\n",
+-              bcount * num_mb, secs, (long)bcount * blen * num_mb);
++      pr_cont("%d operations in %d seconds (%llu bytes)\n",
++              bcount * num_mb, secs, (u64)bcount * blen * num_mb);
+ 
+ out:
+       kfree(rc);
+@@ -468,8 +468,8 @@ static int test_aead_jiffies(struct aead_request *req, int 
enc,
+                       return ret;
+       }
+ 
+-      printk("%d operations in %d seconds (%ld bytes)\n",
+-             bcount, secs, (long)bcount * blen);
++      pr_cont("%d operations in %d seconds (%llu bytes)\n",
++              bcount, secs, (u64)bcount * blen);
+       return 0;
+ }
+ 
+@@ -759,8 +759,8 @@ static int test_mb_ahash_jiffies(struct test_mb_ahash_data 
*data, int blen,
+                       goto out;
+       }
+ 
+-      pr_cont("%d operations in %d seconds (%ld bytes)\n",
+-              bcount * num_mb, secs, (long)bcount * blen * num_mb);
++      pr_cont("%d operations in %d seconds (%llu bytes)\n",
++              bcount * num_mb, secs, (u64)bcount * blen * num_mb);
+ 
+ out:
+       kfree(rc);
+@@ -1196,8 +1196,8 @@ static int test_mb_acipher_jiffies(struct 
test_mb_skcipher_data *data, int enc,
+                       goto out;
+       }
+ 
+-      pr_cont("%d operations in %d seconds (%ld bytes)\n",
+-              bcount * num_mb, secs, (long)bcount * blen * num_mb);
++      pr_cont("%d operations in %d seconds (%llu bytes)\n",
++              bcount * num_mb, secs, (u64)bcount * blen * num_mb);
+ 
+ out:
+       kfree(rc);
+@@ -1434,8 +1434,8 @@ static int test_acipher_jiffies(struct skcipher_request 
*req, int enc,
+                       return ret;
+       }
+ 
+-      pr_cont("%d operations in %d seconds (%ld bytes)\n",
+-              bcount, secs, (long)bcount * blen);
++      pr_cont("%d operations in %d seconds (%llu bytes)\n",
++              bcount, secs, (u64)bcount * blen);
+       return 0;
+ }
+ 
+diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
+index f068bb5d650eb..e11fddcb73b98 100644
+--- a/drivers/block/nbd.c
++++ b/drivers/block/nbd.c
+@@ -78,8 +78,7 @@ struct link_dead_args {
+ #define NBD_RT_HAS_PID_FILE           3
+ #define NBD_RT_HAS_CONFIG_REF         4
+ #define NBD_RT_BOUND                  5
+-#define NBD_RT_DESTROY_ON_DISCONNECT  6
+-#define NBD_RT_DISCONNECT_ON_CLOSE    7
++#define NBD_RT_DISCONNECT_ON_CLOSE    6
+ 
+ #define NBD_DESTROY_ON_DISCONNECT     0
+ #define NBD_DISCONNECT_REQUESTED      1
+@@ -1940,12 +1939,21 @@ again:
+       if (info->attrs[NBD_ATTR_CLIENT_FLAGS]) {
+               u64 flags = nla_get_u64(info->attrs[NBD_ATTR_CLIENT_FLAGS]);
+               if (flags & NBD_CFLAG_DESTROY_ON_DISCONNECT) {
+-                      set_bit(NBD_RT_DESTROY_ON_DISCONNECT,
+-                              &config->runtime_flags);
+-                      set_bit(NBD_DESTROY_ON_DISCONNECT, &nbd->flags);
+-                      put_dev = true;
++                      /*
++                       * We have 1 ref to keep the device around, and then 1
++                       * ref for our current operation here, which will be
++                       * inherited by the config.  If we already have
++                       * DESTROY_ON_DISCONNECT set then we know we don't have
++                       * that extra ref already held so we don't need the
++                       * put_dev.
++                       */
++                      if (!test_and_set_bit(NBD_DESTROY_ON_DISCONNECT,
++                                            &nbd->flags))
++                              put_dev = true;
+               } else {
+-                      clear_bit(NBD_DESTROY_ON_DISCONNECT, &nbd->flags);
++                      if (test_and_clear_bit(NBD_DESTROY_ON_DISCONNECT,
++                                             &nbd->flags))
++                              refcount_inc(&nbd->refs);
+               }
+               if (flags & NBD_CFLAG_DISCONNECT_ON_CLOSE) {
+                       set_bit(NBD_RT_DISCONNECT_ON_CLOSE,
+@@ -2116,15 +2124,13 @@ static int nbd_genl_reconfigure(struct sk_buff *skb, 
struct genl_info *info)
+       if (info->attrs[NBD_ATTR_CLIENT_FLAGS]) {
+               u64 flags = nla_get_u64(info->attrs[NBD_ATTR_CLIENT_FLAGS]);
+               if (flags & NBD_CFLAG_DESTROY_ON_DISCONNECT) {
+-                      if (!test_and_set_bit(NBD_RT_DESTROY_ON_DISCONNECT,
+-                                            &config->runtime_flags))
++                      if (!test_and_set_bit(NBD_DESTROY_ON_DISCONNECT,
++                                            &nbd->flags))
+                               put_dev = true;
+-                      set_bit(NBD_DESTROY_ON_DISCONNECT, &nbd->flags);
+               } else {
+-                      if (test_and_clear_bit(NBD_RT_DESTROY_ON_DISCONNECT,
+-                                             &config->runtime_flags))
++                      if (test_and_clear_bit(NBD_DESTROY_ON_DISCONNECT,
++                                             &nbd->flags))
+                               refcount_inc(&nbd->refs);
+-                      clear_bit(NBD_DESTROY_ON_DISCONNECT, &nbd->flags);
+               }
+ 
+               if (flags & NBD_CFLAG_DISCONNECT_ON_CLOSE) {
+diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
+index 36d49159140f4..22aa432a68bf9 100644
+--- a/drivers/block/zram/zram_drv.c
++++ b/drivers/block/zram/zram_drv.c
+@@ -1072,7 +1072,7 @@ static ssize_t mm_stat_show(struct device *dev,
+                       zram->limit_pages << PAGE_SHIFT,
+                       max_used << PAGE_SHIFT,
+                       (u64)atomic64_read(&zram->stats.same_pages),
+-                      pool_stats.pages_compacted,
++                      atomic_long_read(&pool_stats.pages_compacted),
+                       (u64)atomic64_read(&zram->stats.huge_pages));
+       up_read(&zram->init_lock);
+ 
+diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c
+index e11af747395dd..bf3e23104194a 100644
+--- a/drivers/bluetooth/hci_h5.c
++++ b/drivers/bluetooth/hci_h5.c
+@@ -894,6 +894,11 @@ static int h5_btrtl_setup(struct h5 *h5)
+       /* Give the device some time before the hci-core sends it a reset */
+       usleep_range(10000, 20000);
+ 
++      /* Enable controller to do both LE scan and BR/EDR inquiry
++       * simultaneously.
++       */
++      set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &h5->hu->hdev->quirks);
++
+ out_free:
+       btrtl_free(btrtl_dev);
+ 
+diff --git a/drivers/gpu/drm/amd/amdgpu/cz_ih.c 
b/drivers/gpu/drm/amd/amdgpu/cz_ih.c
+index 1dca0cabc326a..13520d173296f 100644
+--- a/drivers/gpu/drm/amd/amdgpu/cz_ih.c
++++ b/drivers/gpu/drm/amd/amdgpu/cz_ih.c
+@@ -193,19 +193,30 @@ static u32 cz_ih_get_wptr(struct amdgpu_device *adev,
+ 
+       wptr = le32_to_cpu(*ih->wptr_cpu);
+ 
+-      if (REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW)) {
+-              wptr = REG_SET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW, 0);
+-              /* When a ring buffer overflow happen start parsing interrupt
+-               * from the last not overwritten vector (wptr + 16). Hopefully
+-               * this should allow us to catchup.
+-               */
+-              dev_warn(adev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 
0x%08X)\n",
+-                      wptr, ih->rptr, (wptr + 16) & ih->ptr_mask);
+-              ih->rptr = (wptr + 16) & ih->ptr_mask;
+-              tmp = RREG32(mmIH_RB_CNTL);
+-              tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 1);
+-              WREG32(mmIH_RB_CNTL, tmp);
+-      }
++      if (!REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW))
++              goto out;
++
++      /* Double check that the overflow wasn't already cleared. */
++      wptr = RREG32(mmIH_RB_WPTR);
++
++      if (!REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW))
++              goto out;
++
++      wptr = REG_SET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW, 0);
++
++      /* When a ring buffer overflow happen start parsing interrupt
++       * from the last not overwritten vector (wptr + 16). Hopefully
++       * this should allow us to catchup.
++       */
++      dev_warn(adev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 
0x%08X)\n",
++              wptr, ih->rptr, (wptr + 16) & ih->ptr_mask);
++      ih->rptr = (wptr + 16) & ih->ptr_mask;
++      tmp = RREG32(mmIH_RB_CNTL);
++      tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 1);
++      WREG32(mmIH_RB_CNTL, tmp);
++
++
++out:
+       return (wptr & ih->ptr_mask);
+ }
+ 
+diff --git a/drivers/gpu/drm/amd/amdgpu/iceland_ih.c 
b/drivers/gpu/drm/amd/amdgpu/iceland_ih.c
+index a13dd9a51149a..7d165f024f072 100644
+--- a/drivers/gpu/drm/amd/amdgpu/iceland_ih.c
++++ b/drivers/gpu/drm/amd/amdgpu/iceland_ih.c
+@@ -193,19 +193,29 @@ static u32 iceland_ih_get_wptr(struct amdgpu_device 
*adev,
+ 
+       wptr = le32_to_cpu(*ih->wptr_cpu);
+ 
+-      if (REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW)) {
+-              wptr = REG_SET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW, 0);
+-              /* When a ring buffer overflow happen start parsing interrupt
+-               * from the last not overwritten vector (wptr + 16). Hopefully
+-               * this should allow us to catchup.
+-               */
+-              dev_warn(adev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 
0x%08X)\n",
+-                       wptr, ih->rptr, (wptr + 16) & ih->ptr_mask);
+-              ih->rptr = (wptr + 16) & ih->ptr_mask;
+-              tmp = RREG32(mmIH_RB_CNTL);
+-              tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 1);
+-              WREG32(mmIH_RB_CNTL, tmp);
+-      }
++      if (!REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW))
++              goto out;
++
++      /* Double check that the overflow wasn't already cleared. */
++      wptr = RREG32(mmIH_RB_WPTR);
++
++      if (!REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW))
++              goto out;
++
++      wptr = REG_SET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW, 0);
++      /* When a ring buffer overflow happen start parsing interrupt
++       * from the last not overwritten vector (wptr + 16). Hopefully
++       * this should allow us to catchup.
++       */
++      dev_warn(adev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 
0x%08X)\n",
++              wptr, ih->rptr, (wptr + 16) & ih->ptr_mask);
++      ih->rptr = (wptr + 16) & ih->ptr_mask;
++      tmp = RREG32(mmIH_RB_CNTL);
++      tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 1);
++      WREG32(mmIH_RB_CNTL, tmp);
++
++
++out:
+       return (wptr & ih->ptr_mask);
+ }
+ 
+diff --git a/drivers/gpu/drm/amd/amdgpu/tonga_ih.c 
b/drivers/gpu/drm/amd/amdgpu/tonga_ih.c
+index e40140bf6699c..db0a3bda13fbe 100644
+--- a/drivers/gpu/drm/amd/amdgpu/tonga_ih.c
++++ b/drivers/gpu/drm/amd/amdgpu/tonga_ih.c
+@@ -195,19 +195,30 @@ static u32 tonga_ih_get_wptr(struct amdgpu_device *adev,
+ 
+       wptr = le32_to_cpu(*ih->wptr_cpu);
+ 
+-      if (REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW)) {
+-              wptr = REG_SET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW, 0);
+-              /* When a ring buffer overflow happen start parsing interrupt
+-               * from the last not overwritten vector (wptr + 16). Hopefully
+-               * this should allow us to catchup.
+-               */
+-              dev_warn(adev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 
0x%08X)\n",
+-                       wptr, ih->rptr, (wptr + 16) & ih->ptr_mask);
+-              ih->rptr = (wptr + 16) & ih->ptr_mask;
+-              tmp = RREG32(mmIH_RB_CNTL);
+-              tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 1);
+-              WREG32(mmIH_RB_CNTL, tmp);
+-      }
++      if (!REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW))
++              goto out;
++
++      /* Double check that the overflow wasn't already cleared. */
++      wptr = RREG32(mmIH_RB_WPTR);
++
++      if (!REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW))
++              goto out;
++
++      wptr = REG_SET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW, 0);
++
++      /* When a ring buffer overflow happen start parsing interrupt
++       * from the last not overwritten vector (wptr + 16). Hopefully
++       * this should allow us to catchup.
++       */
++
++      dev_warn(adev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 
0x%08X)\n",
++              wptr, ih->rptr, (wptr + 16) & ih->ptr_mask);
++      ih->rptr = (wptr + 16) & ih->ptr_mask;
++      tmp = RREG32(mmIH_RB_CNTL);
++      tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 1);
++      WREG32(mmIH_RB_CNTL, tmp);
++
++out:
+       return (wptr & ih->ptr_mask);
+ }
+ 
+diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c 
b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+index fa92b88bc5a13..40041c61a100e 100644
+--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
++++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+@@ -1303,6 +1303,11 @@ static bool construct(
+               goto ddc_create_fail;
+       }
+ 
++      if (!link->ddc->ddc_pin) {
++              DC_ERROR("Failed to get I2C info for connector!\n");
++              goto ddc_create_fail;
++      }
++
+       link->ddc_hw_inst =
+               dal_ddc_get_line(
+                       dal_ddc_service_get_ddc_pin(link->ddc));
+diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c 
b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
+index c103005b0a33e..a34ef5ec7d429 100644
+--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
++++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
+@@ -376,7 +376,6 @@ static void hibmc_pci_remove(struct pci_dev *pdev)
+ 
+       drm_dev_unregister(dev);
+       hibmc_unload(dev);
+-      drm_dev_put(dev);
+ }
+ 
+ static struct pci_device_id hibmc_pci_table[] = {
+diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c 
b/drivers/gpu/drm/virtio/virtgpu_vq.c
+index 92022a83bbd5e..bb46e7a0f1b5d 100644
+--- a/drivers/gpu/drm/virtio/virtgpu_vq.c
++++ b/drivers/gpu/drm/virtio/virtgpu_vq.c
+@@ -992,8 +992,9 @@ int virtio_gpu_object_attach(struct virtio_gpu_device 
*vgdev,
+       }
+ 
+       /* gets freed when the ring has consumed it */
+-      ents = kmalloc_array(nents, sizeof(struct virtio_gpu_mem_entry),
+-                           GFP_KERNEL);
++      ents = kvmalloc_array(nents,
++                            sizeof(struct virtio_gpu_mem_entry),
++                            GFP_KERNEL);
+       if (!ents) {
+               DRM_ERROR("failed to allocate ent list\n");
+               return -ENOMEM;
+diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
+index 2d8434b7b6238..053fe2da1e08f 100644
+--- a/drivers/input/mouse/elantech.c
++++ b/drivers/input/mouse/elantech.c
+@@ -89,6 +89,47 @@ static int elantech_ps2_command(struct psmouse *psmouse,
+       return rc;
+ }
+ 
++/*
++ * Send an Elantech style special command to read 3 bytes from a register
++ */
++static int elantech_read_reg_params(struct psmouse *psmouse, u8 reg, u8 
*param)
++{
++      if (elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||
++          elantech_ps2_command(psmouse, NULL, ETP_REGISTER_READWRITE) ||
++          elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||
++          elantech_ps2_command(psmouse, NULL, reg) ||
++          elantech_ps2_command(psmouse, param, PSMOUSE_CMD_GETINFO)) {
++              psmouse_err(psmouse,
++                          "failed to read register %#02x\n", reg);
++              return -EIO;
++      }
++
++      return 0;
++}
++
++/*
++ * Send an Elantech style special command to write a register with a parameter
++ */
++static int elantech_write_reg_params(struct psmouse *psmouse, u8 reg, u8 
*param)
++{
++      if (elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||
++          elantech_ps2_command(psmouse, NULL, ETP_REGISTER_READWRITE) ||
++          elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||
++          elantech_ps2_command(psmouse, NULL, reg) ||
++          elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||
++          elantech_ps2_command(psmouse, NULL, param[0]) ||
++          elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||
++          elantech_ps2_command(psmouse, NULL, param[1]) ||
++          elantech_ps2_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11)) {
++              psmouse_err(psmouse,
++                          "failed to write register %#02x with value 
%#02x%#02x\n",
++                          reg, param[0], param[1]);
++              return -EIO;
++      }
++
++      return 0;
++}
++
+ /*
+  * Send an Elantech style special command to read a value from a register
+  */
+@@ -1529,19 +1570,35 @@ static const struct dmi_system_id 
no_hw_res_dmi_table[] = {
+       { }
+ };
+ 
++/*
++ * Change Report id 0x5E to 0x5F.
++ */
++static int elantech_change_report_id(struct psmouse *psmouse)
++{
++      unsigned char param[2] = { 0x10, 0x03 };
++
++      if (elantech_write_reg_params(psmouse, 0x7, param) ||
++          elantech_read_reg_params(psmouse, 0x7, param) ||
++          param[0] != 0x10 || param[1] != 0x03) {
++              psmouse_err(psmouse, "Unable to change report ID to 0x5f.\n");
++              return -EIO;
++      }
++
++      return 0;
++}
+ /*
+  * determine hardware version and set some properties according to it.
+  */
+ static int elantech_set_properties(struct elantech_device_info *info)
+ {
+       /* This represents the version of IC body. */
+-      int ver = (info->fw_version & 0x0f0000) >> 16;
++      info->ic_version = (info->fw_version & 0x0f0000) >> 16;
+ 
+       /* Early version of Elan touchpads doesn't obey the rule. */
+       if (info->fw_version < 0x020030 || info->fw_version == 0x020600)
+               info->hw_version = 1;
+       else {
+-              switch (ver) {
++              switch (info->ic_version) {
+               case 2:
+               case 4:
+                       info->hw_version = 2;
+@@ -1557,6 +1614,11 @@ static int elantech_set_properties(struct 
elantech_device_info *info)
+               }
+       }
+ 
++      /* Get information pattern for hw_version 4 */
++      info->pattern = 0x00;
++      if (info->ic_version == 0x0f && (info->fw_version & 0xff) <= 0x02)
++              info->pattern = info->fw_version & 0xff;
++
+       /* decide which send_cmd we're gonna use early */
+       info->send_cmd = info->hw_version >= 3 ? elantech_send_cmd :
+                                                synaptics_send_cmd;
+@@ -1598,6 +1660,7 @@ static int elantech_query_info(struct psmouse *psmouse,
+ {
+       unsigned char param[3];
+       unsigned char traces;
++      unsigned char ic_body[3];
+ 
+       memset(info, 0, sizeof(*info));
+ 
+@@ -1640,6 +1703,21 @@ static int elantech_query_info(struct psmouse *psmouse,
+                            info->samples[2]);
+       }
+ 
++      if (info->pattern > 0x00 && info->ic_version == 0xf) {
++              if (info->send_cmd(psmouse, ETP_ICBODY_QUERY, ic_body)) {
++                      psmouse_err(psmouse, "failed to query ic body\n");
++                      return -EINVAL;
++              }
++              info->ic_version = be16_to_cpup((__be16 *)ic_body);
++              psmouse_info(psmouse,
++                           "Elan ic body: %#04x, current fw version: %#02x\n",
++                           info->ic_version, ic_body[2]);
++      }
++
++      info->product_id = be16_to_cpup((__be16 *)info->samples);
++      if (info->pattern == 0x00)
++              info->product_id &= 0xff;
++
+       if (info->samples[1] == 0x74 && info->hw_version == 0x03) {
+               /*
+                * This module has a bug which makes absolute mode
+@@ -1654,6 +1732,23 @@ static int elantech_query_info(struct psmouse *psmouse,
+       /* The MSB indicates the presence of the trackpoint */
+       info->has_trackpoint = (info->capabilities[0] & 0x80) == 0x80;
+ 
++      if (info->has_trackpoint && info->ic_version == 0x0011 &&
++          (info->product_id == 0x08 || info->product_id == 0x09 ||
++           info->product_id == 0x0d || info->product_id == 0x0e)) {
++              /*
++               * This module has a bug which makes trackpoint in SMBus
++               * mode return invalid data unless trackpoint is switched
++               * from using 0x5e reports to 0x5f. If we are not able to
++               * make the switch, let's abort initialization so we'll be
++               * using standard PS/2 protocol.
++               */
++              if (elantech_change_report_id(psmouse)) {
++                      psmouse_info(psmouse,
++                                   "Trackpoint report is broken, forcing 
standard PS/2 protocol\n");
++                      return -ENODEV;
++              }
++      }
++
+       info->x_res = 31;
+       info->y_res = 31;
+       if (info->hw_version == 4) {
+diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h
+index e0a3e59d4f1bb..571e6ca11d33b 100644
+--- a/drivers/input/mouse/elantech.h
++++ b/drivers/input/mouse/elantech.h
+@@ -18,6 +18,7 @@
+ #define ETP_CAPABILITIES_QUERY                0x02
+ #define ETP_SAMPLE_QUERY              0x03
+ #define ETP_RESOLUTION_QUERY          0x04
++#define ETP_ICBODY_QUERY              0x05
+ 
+ /*
+  * Command values for register reading or writing
+@@ -140,7 +141,10 @@ struct elantech_device_info {
+       unsigned char samples[3];
+       unsigned char debug;
+       unsigned char hw_version;
++      unsigned char pattern;
+       unsigned int fw_version;
++      unsigned int ic_version;
++      unsigned int product_id;
+       unsigned int x_min;
+       unsigned int y_min;
+       unsigned int x_max;
+diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c
+index 867f5fb6fbe11..c68e52c17ae13 100644
+--- a/drivers/media/rc/mceusb.c
++++ b/drivers/media/rc/mceusb.c
+@@ -701,11 +701,18 @@ static void mceusb_dev_printdata(struct mceusb_dev *ir, 
u8 *buf, int buf_len,
+                               data[0], data[1]);
+                       break;
+               case MCE_RSP_EQIRCFS:
++                      if (!data[0] && !data[1]) {
++                              dev_dbg(dev, "%s: no carrier", inout);
++                              break;
++                      }
++                      // prescaler should make sense
++                      if (data[0] > 8)
++                              break;
+                       period = DIV_ROUND_CLOSEST((1U << data[0] * 2) *
+                                                  (data[1] + 1), 10);
+                       if (!period)
+                               break;
+-                      carrier = (1000 * 1000) / period;
++                      carrier = USEC_PER_SEC / period;
+                       dev_dbg(dev, "%s carrier of %u Hz (period %uus)",
+                                inout, carrier, period);
+                       break;
+diff --git a/drivers/media/usb/uvc/uvc_driver.c 
b/drivers/media/usb/uvc/uvc_driver.c
+index 99883550375e9..40ca1d4e03483 100644
+--- a/drivers/media/usb/uvc/uvc_driver.c
++++ b/drivers/media/usb/uvc/uvc_driver.c
+@@ -967,7 +967,10 @@ static struct uvc_entity *uvc_alloc_entity(u16 type, u8 
id,
+       unsigned int i;
+ 
+       extra_size = roundup(extra_size, sizeof(*entity->pads));
+-      num_inputs = (type & UVC_TERM_OUTPUT) ? num_pads : num_pads - 1;
++      if (num_pads)
++              num_inputs = type & UVC_TERM_OUTPUT ? num_pads : num_pads - 1;
++      else
++              num_inputs = 0;
+       size = sizeof(*entity) + extra_size + sizeof(*entity->pads) * num_pads
+            + num_inputs;
+       entity = kzalloc(size, GFP_KERNEL);
+@@ -983,7 +986,7 @@ static struct uvc_entity *uvc_alloc_entity(u16 type, u8 id,
+ 
+       for (i = 0; i < num_inputs; ++i)
+               entity->pads[i].flags = MEDIA_PAD_FL_SINK;
+-      if (!UVC_ENTITY_IS_OTERM(entity))
++      if (!UVC_ENTITY_IS_OTERM(entity) && num_pads)
+               entity->pads[num_pads-1].flags = MEDIA_PAD_FL_SOURCE;
+ 
+       entity->bNrInPins = num_inputs;
+diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c 
b/drivers/media/v4l2-core/v4l2-ctrls.c
+index cd84dbbf6a890..3fe99519fedfb 100644
+--- a/drivers/media/v4l2-core/v4l2-ctrls.c
++++ b/drivers/media/v4l2-core/v4l2-ctrls.c
+@@ -1795,7 +1795,8 @@ static int std_validate(const struct v4l2_ctrl *ctrl, 
u32 idx,
+       case V4L2_CTRL_TYPE_INTEGER_MENU:
+               if (ptr.p_s32[idx] < ctrl->minimum || ptr.p_s32[idx] > 
ctrl->maximum)
+                       return -ERANGE;
+-              if (ctrl->menu_skip_mask & (1ULL << ptr.p_s32[idx]))
++              if (ptr.p_s32[idx] < BITS_PER_LONG_LONG &&
++                  (ctrl->menu_skip_mask & BIT_ULL(ptr.p_s32[idx])))
+                       return -EINVAL;
+               if (ctrl->type == V4L2_CTRL_TYPE_MENU &&
+                   ctrl->qmenu[ptr.p_s32[idx]][0] == '\0')
+diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c 
b/drivers/media/v4l2-core/v4l2-ioctl.c
+index 58868d7129ebd..24db33f803c06 100644
+--- a/drivers/media/v4l2-core/v4l2-ioctl.c
++++ b/drivers/media/v4l2-core/v4l2-ioctl.c
+@@ -3016,7 +3016,7 @@ video_usercopy(struct file *file, unsigned int cmd, 
unsigned long arg,
+              v4l2_kioctl func)
+ {
+       char    sbuf[128];
+-      void    *mbuf = NULL;
++      void    *mbuf = NULL, *array_buf = NULL;
+       void    *parg = (void *)arg;
+       long    err  = -EINVAL;
+       bool    has_array_args;
+@@ -3075,20 +3075,14 @@ video_usercopy(struct file *file, unsigned int cmd, 
unsigned long arg,
+       has_array_args = err;
+ 
+       if (has_array_args) {
+-              /*
+-               * When adding new types of array args, make sure that the
+-               * parent argument to ioctl (which contains the pointer to the
+-               * array) fits into sbuf (so that mbuf will still remain
+-               * unused up to here).
+-               */
+-              mbuf = kvmalloc(array_size, GFP_KERNEL);
++              array_buf = kvmalloc(array_size, GFP_KERNEL);
+               err = -ENOMEM;
+-              if (NULL == mbuf)
++              if (array_buf == NULL)
+                       goto out_array_args;
+               err = -EFAULT;
+-              if (copy_from_user(mbuf, user_ptr, array_size))
++              if (copy_from_user(array_buf, user_ptr, array_size))
+                       goto out_array_args;
+-              *kernel_ptr = mbuf;
++              *kernel_ptr = array_buf;
+       }
+ 
+       /* Handles IOCTL */
+@@ -3107,7 +3101,7 @@ video_usercopy(struct file *file, unsigned int cmd, 
unsigned long arg,
+ 
+       if (has_array_args) {
+               *kernel_ptr = (void __force *)user_ptr;
+-              if (copy_to_user(user_ptr, mbuf, array_size))
++              if (copy_to_user(user_ptr, array_buf, array_size))
+                       err = -EFAULT;
+               goto out_array_args;
+       }
+@@ -3129,6 +3123,7 @@ out_array_args:
+       }
+ 
+ out:
++      kvfree(array_buf);
+       kvfree(mbuf);
+       return err;
+ }
+diff --git a/drivers/net/ethernet/atheros/ag71xx.c 
b/drivers/net/ethernet/atheros/ag71xx.c
+index 78e20f53677d5..58a002dd758cd 100644
+--- a/drivers/net/ethernet/atheros/ag71xx.c
++++ b/drivers/net/ethernet/atheros/ag71xx.c
+@@ -222,8 +222,6 @@
+ #define AG71XX_REG_RX_SM      0x01b0
+ #define AG71XX_REG_TX_SM      0x01b4
+ 
+-#define ETH_SWITCH_HEADER_LEN 2
+-
+ #define AG71XX_DEFAULT_MSG_ENABLE     \
+       (NETIF_MSG_DRV                  \
+       | NETIF_MSG_PROBE               \
+@@ -784,7 +782,7 @@ static void ag71xx_hw_setup(struct ag71xx *ag)
+ 
+ static unsigned int ag71xx_max_frame_len(unsigned int mtu)
+ {
+-      return ETH_SWITCH_HEADER_LEN + ETH_HLEN + VLAN_HLEN + mtu + ETH_FCS_LEN;
++      return ETH_HLEN + VLAN_HLEN + mtu + ETH_FCS_LEN;
+ }
+ 
+ static void ag71xx_hw_set_macaddr(struct ag71xx *ag, unsigned char *mac)
+diff --git a/drivers/net/tap.c b/drivers/net/tap.c
+index 3ae70c7e6860c..f285422a80717 100644
+--- a/drivers/net/tap.c
++++ b/drivers/net/tap.c
+@@ -1095,10 +1095,9 @@ static long tap_ioctl(struct file *file, unsigned int 
cmd,
+                       return -ENOLINK;
+               }
+               ret = 0;
+-              u = tap->dev->type;
++              dev_get_mac_address(&sa, dev_net(tap->dev), tap->dev->name);
+               if (copy_to_user(&ifr->ifr_name, tap->dev->name, IFNAMSIZ) ||
+-                  copy_to_user(&ifr->ifr_hwaddr.sa_data, tap->dev->dev_addr, 
ETH_ALEN) ||
+-                  put_user(u, &ifr->ifr_hwaddr.sa_family))
++                  copy_to_user(&ifr->ifr_hwaddr, &sa, sizeof(sa)))
+                       ret = -EFAULT;
+               tap_put_tap_dev(tap);
+               rtnl_unlock();
+@@ -1113,7 +1112,7 @@ static long tap_ioctl(struct file *file, unsigned int 
cmd,
+                       rtnl_unlock();
+                       return -ENOLINK;
+               }
+-              ret = dev_set_mac_address(tap->dev, &sa, NULL);
++              ret = dev_set_mac_address_user(tap->dev, &sa, NULL);
+               tap_put_tap_dev(tap);
+               rtnl_unlock();
+               return ret;
+diff --git a/drivers/net/tun.c b/drivers/net/tun.c
+index 84e779f93f0a4..fe6ec22bf3d51 100644
+--- a/drivers/net/tun.c
++++ b/drivers/net/tun.c
+@@ -3224,7 +3224,7 @@ static long __tun_chr_ioctl(struct file *file, unsigned 
int cmd,
+       case SIOCGIFHWADDR:
+               /* Get hw address */
+               memcpy(ifr.ifr_hwaddr.sa_data, tun->dev->dev_addr, ETH_ALEN);
+-              ifr.ifr_hwaddr.sa_family = tun->dev->type;
++              dev_get_mac_address(&ifr.ifr_hwaddr, net, tun->dev->name);
+               if (copy_to_user(argp, &ifr, ifreq_len))
+                       ret = -EFAULT;
+               break;
+@@ -3234,7 +3234,7 @@ static long __tun_chr_ioctl(struct file *file, unsigned 
int cmd,
+               tun_debug(KERN_DEBUG, tun, "set hw address: %pM\n",
+                         ifr.ifr_hwaddr.sa_data);
+ 
+-              ret = dev_set_mac_address(tun->dev, &ifr.ifr_hwaddr, NULL);
++              ret = dev_set_mac_address_user(tun->dev, &ifr.ifr_hwaddr, NULL);
+               break;
+ 
+       case TUNGETSNDBUF:
+diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
+index 5a1d21aae2a9e..05b85b94d9518 100644
+--- a/drivers/net/usb/qmi_wwan.c
++++ b/drivers/net/usb/qmi_wwan.c
+@@ -1280,6 +1280,7 @@ static const struct usb_device_id products[] = {
+       {QMI_FIXED_INTF(0x19d2, 0x1255, 4)},
+       {QMI_FIXED_INTF(0x19d2, 0x1256, 4)},
+       {QMI_FIXED_INTF(0x19d2, 0x1270, 5)},    /* ZTE MF667 */
++      {QMI_FIXED_INTF(0x19d2, 0x1275, 3)},    /* ZTE P685M */
+       {QMI_FIXED_INTF(0x19d2, 0x1401, 2)},
+       {QMI_FIXED_INTF(0x19d2, 0x1402, 2)},    /* ZTE MF60 */
+       {QMI_FIXED_INTF(0x19d2, 0x1424, 2)},
+diff --git a/drivers/net/wireless/ath/ath10k/mac.c 
b/drivers/net/wireless/ath/ath10k/mac.c
+index 915ba2a7f7448..47b733fdf4fcb 100644
+--- a/drivers/net/wireless/ath/ath10k/mac.c
++++ b/drivers/net/wireless/ath/ath10k/mac.c
+@@ -3624,23 +3624,16 @@ bool ath10k_mac_tx_frm_has_freq(struct ath10k *ar)
+ static int ath10k_mac_tx_wmi_mgmt(struct ath10k *ar, struct sk_buff *skb)
+ {
+       struct sk_buff_head *q = &ar->wmi_mgmt_tx_queue;
+-      int ret = 0;
+-
+-      spin_lock_bh(&ar->data_lock);
+ 
+-      if (skb_queue_len(q) == ATH10K_MAX_NUM_MGMT_PENDING) {
++      if (skb_queue_len_lockless(q) >= ATH10K_MAX_NUM_MGMT_PENDING) {
+               ath10k_warn(ar, "wmi mgmt tx queue is full\n");
+-              ret = -ENOSPC;
+-              goto unlock;
++              return -ENOSPC;
+       }
+ 
+-      __skb_queue_tail(q, skb);
++      skb_queue_tail(q, skb);
+       ieee80211_queue_work(ar->hw, &ar->wmi_mgmt_tx_work);
+ 
+-unlock:
+-      spin_unlock_bh(&ar->data_lock);
+-
+-      return ret;
++      return 0;
+ }
+ 
+ static enum ath10k_mac_tx_path
+diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/dmi.c 
b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/dmi.c
+index 4aa2561934d77..6d5188b78f2de 100644
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/dmi.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/dmi.c
+@@ -40,6 +40,18 @@ static const struct brcmf_dmi_data pov_tab_p1006w_data = {
+       BRCM_CC_43340_CHIP_ID, 2, "pov-tab-p1006w-data"
+ };
+ 
++static const struct brcmf_dmi_data predia_basic_data = {
++      BRCM_CC_43341_CHIP_ID, 2, "predia-basic"
++};
++
++/* Note the Voyo winpad A15 tablet uses the same Ampak AP6330 module, with the
++ * exact same nvram file as the Prowise-PT301 tablet. Since the nvram for the
++ * Prowise-PT301 is already in linux-firmware we just point to that here.
++ */
++static const struct brcmf_dmi_data voyo_winpad_a15_data = {
++      BRCM_CC_4330_CHIP_ID, 4, "Prowise-PT301"
++};
++
+ static const struct dmi_system_id dmi_platform_data[] = {
+       {
+               /* ACEPC T8 Cherry Trail Z8350 mini PC */
+@@ -111,6 +123,26 @@ static const struct dmi_system_id dmi_platform_data[] = {
+               },
+               .driver_data = (void *)&pov_tab_p1006w_data,
+       },
++      {
++              /* Predia Basic tablet (+ with keyboard dock) */
++              .matches = {
++                      DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
++                      DMI_MATCH(DMI_PRODUCT_NAME, "CherryTrail"),
++                      /* Mx.WT107.KUBNGEA02 with the version-nr dropped */
++                      DMI_MATCH(DMI_BIOS_VERSION, "Mx.WT107.KUBNGEA"),
++              },
++              .driver_data = (void *)&predia_basic_data,
++      },
++      {
++              /* Voyo winpad A15 tablet */
++              .matches = {
++                      DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
++                      DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
++                      /* Above strings are too generic, also match on BIOS 
date */
++                      DMI_MATCH(DMI_BIOS_DATE, "11/20/2014"),
++              },
++              .driver_data = (void *)&voyo_winpad_a15_data,
++      },
+       {}
+ };
+ 
+diff --git a/drivers/net/wireless/rsi/rsi_91x_hal.c 
b/drivers/net/wireless/rsi/rsi_91x_hal.c
+index 6f8d5f9a9f7e6..a07304405b2cc 100644
+--- a/drivers/net/wireless/rsi/rsi_91x_hal.c
++++ b/drivers/net/wireless/rsi/rsi_91x_hal.c
+@@ -248,7 +248,8 @@ int rsi_prepare_data_desc(struct rsi_common *common, 
struct sk_buff *skb)
+                       rsi_set_len_qno(&data_desc->len_qno,
+                                       (skb->len - FRAME_DESC_SZ),
+                                       RSI_WIFI_MGMT_Q);
+-              if ((skb->len - header_size) == EAPOL4_PACKET_LEN) {
++              if (((skb->len - header_size) == EAPOL4_PACKET_LEN) ||
++                  ((skb->len - header_size) == EAPOL4_PACKET_LEN - 2)) {
+                       data_desc->misc_flags |=
+                               RSI_DESC_REQUIRE_CFM_TO_HOST;
+                       xtend_desc->confirm_frame_type = EAPOL4_CONFIRM;
+diff --git a/drivers/net/wireless/rsi/rsi_91x_sdio.c 
b/drivers/net/wireless/rsi/rsi_91x_sdio.c
+index 1bebba4e85273..d1e8c6593ef51 100644
+--- a/drivers/net/wireless/rsi/rsi_91x_sdio.c
++++ b/drivers/net/wireless/rsi/rsi_91x_sdio.c
+@@ -153,9 +153,7 @@ static void rsi_handle_interrupt(struct sdio_func 
*function)
+       if (adapter->priv->fsm_state == FSM_FW_NOT_LOADED)
+               return;
+ 
+-      dev->sdio_irq_task = current;
+-      rsi_interrupt_handler(adapter);
+-      dev->sdio_irq_task = NULL;
++      rsi_set_event(&dev->rx_thread.event);
+ }
+ 
+ /**
+@@ -1059,8 +1057,6 @@ static int rsi_probe(struct sdio_func *pfunction,
+               rsi_dbg(ERR_ZONE, "%s: Unable to init rx thrd\n", __func__);
+               goto fail_kill_thread;
+       }
+-      skb_queue_head_init(&sdev->rx_q.head);
+-      sdev->rx_q.num_rx_pkts = 0;
+ 
+       sdio_claim_host(pfunction);
+       if (sdio_claim_irq(pfunction, rsi_handle_interrupt)) {
+diff --git a/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c 
b/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c
+index 449f6d23c5e36..7c77b09240da2 100644
+--- a/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c
++++ b/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c
+@@ -60,39 +60,20 @@ int rsi_sdio_master_access_msword(struct rsi_hw *adapter, 
u16 ms_word)
+       return status;
+ }
+ 
++static void rsi_rx_handler(struct rsi_hw *adapter);
++
+ void rsi_sdio_rx_thread(struct rsi_common *common)
+ {
+       struct rsi_hw *adapter = common->priv;
+       struct rsi_91x_sdiodev *sdev = adapter->rsi_dev;
+-      struct sk_buff *skb;
+-      int status;
+ 
+       do {
+               rsi_wait_event(&sdev->rx_thread.event, EVENT_WAIT_FOREVER);
+               rsi_reset_event(&sdev->rx_thread.event);
++              rsi_rx_handler(adapter);
++      } while (!atomic_read(&sdev->rx_thread.thread_done));
+ 
+-              while (true) {
+-                      if (atomic_read(&sdev->rx_thread.thread_done))
+-                              goto out;
+-
+-                      skb = skb_dequeue(&sdev->rx_q.head);
+-                      if (!skb)
+-                              break;
+-                      if (sdev->rx_q.num_rx_pkts > 0)
+-                              sdev->rx_q.num_rx_pkts--;
+-                      status = rsi_read_pkt(common, skb->data, skb->len);
+-                      if (status) {
+-                              rsi_dbg(ERR_ZONE, "Failed to read the 
packet\n");
+-                              dev_kfree_skb(skb);
+-                              break;
+-                      }
+-                      dev_kfree_skb(skb);
+-              }
+-      } while (1);
+-
+-out:
+       rsi_dbg(INFO_ZONE, "%s: Terminated SDIO RX thread\n", __func__);
+-      skb_queue_purge(&sdev->rx_q.head);
+       atomic_inc(&sdev->rx_thread.thread_done);
+       complete_and_exit(&sdev->rx_thread.completion, 0);
+ }
+@@ -113,10 +94,6 @@ static int rsi_process_pkt(struct rsi_common *common)
+       u32 rcv_pkt_len = 0;
+       int status = 0;
+       u8 value = 0;
+-      struct sk_buff *skb;
+-
+-      if (dev->rx_q.num_rx_pkts >= RSI_MAX_RX_PKTS)
+-              return 0;
+ 
+       num_blks = ((adapter->interrupt_status & 1) |
+                       ((adapter->interrupt_status >> RECV_NUM_BLOCKS) << 1));
+@@ -144,22 +121,19 @@ static int rsi_process_pkt(struct rsi_common *common)
+ 
+       rcv_pkt_len = (num_blks * 256);
+ 
+-      skb = dev_alloc_skb(rcv_pkt_len);
+-      if (!skb)
+-              return -ENOMEM;
+-
+-      status = rsi_sdio_host_intf_read_pkt(adapter, skb->data, rcv_pkt_len);
++      status = rsi_sdio_host_intf_read_pkt(adapter, dev->pktbuffer,
++                                           rcv_pkt_len);
+       if (status) {
+               rsi_dbg(ERR_ZONE, "%s: Failed to read packet from card\n",
+                       __func__);
+-              dev_kfree_skb(skb);
+               return status;
+       }
+-      skb_put(skb, rcv_pkt_len);
+-      skb_queue_tail(&dev->rx_q.head, skb);
+-      dev->rx_q.num_rx_pkts++;
+ 
+-      rsi_set_event(&dev->rx_thread.event);
++      status = rsi_read_pkt(common, dev->pktbuffer, rcv_pkt_len);
++      if (status) {
++              rsi_dbg(ERR_ZONE, "Failed to read the packet\n");
++              return status;
++      }
+ 
+       return 0;
+ }
+@@ -251,12 +225,12 @@ int rsi_init_sdio_slave_regs(struct rsi_hw *adapter)
+ }
+ 
+ /**
+- * rsi_interrupt_handler() - This function read and process SDIO interrupts.
++ * rsi_rx_handler() - Read and process SDIO interrupts.
+  * @adapter: Pointer to the adapter structure.
+  *
+  * Return: None.
+  */
+-void rsi_interrupt_handler(struct rsi_hw *adapter)
++static void rsi_rx_handler(struct rsi_hw *adapter)
+ {
+       struct rsi_common *common = adapter->priv;
+       struct rsi_91x_sdiodev *dev =
+diff --git a/drivers/net/wireless/rsi/rsi_sdio.h 
b/drivers/net/wireless/rsi/rsi_sdio.h
+index c5cfb6238f737..ce6cf65a577a4 100644
+--- a/drivers/net/wireless/rsi/rsi_sdio.h
++++ b/drivers/net/wireless/rsi/rsi_sdio.h
+@@ -111,11 +111,6 @@ struct receive_info {
+       u32 buf_available_counter;
+ };
+ 
+-struct rsi_sdio_rx_q {
+-      u8 num_rx_pkts;
+-      struct sk_buff_head head;
+-};
+-
+ struct rsi_91x_sdiodev {
+       struct sdio_func *pfunction;
+       struct task_struct *sdio_irq_task;
+@@ -128,11 +123,10 @@ struct rsi_91x_sdiodev {
+       u16 tx_blk_size;
+       u8 write_fail;
+       bool buff_status_updated;
+-      struct rsi_sdio_rx_q rx_q;
+       struct rsi_thread rx_thread;
++      u8 pktbuffer[8192] __aligned(4);
+ };
+ 
+-void rsi_interrupt_handler(struct rsi_hw *adapter);
+ int rsi_init_sdio_slave_regs(struct rsi_hw *adapter);
+ int rsi_sdio_read_register(struct rsi_hw *adapter, u32 addr, u8 *data);
+ int rsi_sdio_host_intf_read_pkt(struct rsi_hw *adapter, u8 *pkt, u32 length);
+diff --git a/drivers/net/wireless/ti/wl12xx/main.c 
b/drivers/net/wireless/ti/wl12xx/main.c
+index 3c9c623bb4283..9d7dbfe7fe0c3 100644
+--- a/drivers/net/wireless/ti/wl12xx/main.c
++++ b/drivers/net/wireless/ti/wl12xx/main.c
+@@ -635,7 +635,6 @@ static int wl12xx_identify_chip(struct wl1271 *wl)
+               wl->quirks |= WLCORE_QUIRK_LEGACY_NVS |
+                             WLCORE_QUIRK_DUAL_PROBE_TMPL |
+                             WLCORE_QUIRK_TKIP_HEADER_SPACE |
+-                            WLCORE_QUIRK_START_STA_FAILS |
+                             WLCORE_QUIRK_AP_ZERO_SESSION_ID;
+               wl->sr_fw_name = WL127X_FW_NAME_SINGLE;
+               wl->mr_fw_name = WL127X_FW_NAME_MULTI;
+@@ -659,7 +658,6 @@ static int wl12xx_identify_chip(struct wl1271 *wl)
+               wl->quirks |= WLCORE_QUIRK_LEGACY_NVS |
+                             WLCORE_QUIRK_DUAL_PROBE_TMPL |
+                             WLCORE_QUIRK_TKIP_HEADER_SPACE |
+-                            WLCORE_QUIRK_START_STA_FAILS |
+                             WLCORE_QUIRK_AP_ZERO_SESSION_ID;
+               wl->plt_fw_name = WL127X_PLT_FW_NAME;
+               wl->sr_fw_name = WL127X_FW_NAME_SINGLE;
+@@ -688,7 +686,6 @@ static int wl12xx_identify_chip(struct wl1271 *wl)
+               wl->quirks |= WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN |
+                             WLCORE_QUIRK_DUAL_PROBE_TMPL |
+                             WLCORE_QUIRK_TKIP_HEADER_SPACE |
+-                            WLCORE_QUIRK_START_STA_FAILS |
+                             WLCORE_QUIRK_AP_ZERO_SESSION_ID;
+ 
+               wlcore_set_min_fw_ver(wl, WL128X_CHIP_VER,
+diff --git a/drivers/net/wireless/ti/wlcore/main.c 
b/drivers/net/wireless/ti/wlcore/main.c
+index 5f74cf821068d..be0ed19f93569 100644
+--- a/drivers/net/wireless/ti/wlcore/main.c
++++ b/drivers/net/wireless/ti/wlcore/main.c
+@@ -2862,21 +2862,8 @@ static int wlcore_join(struct wl1271 *wl, struct 
wl12xx_vif *wlvif)
+ 
+       if (is_ibss)
+               ret = wl12xx_cmd_role_start_ibss(wl, wlvif);
+-      else {
+-              if (wl->quirks & WLCORE_QUIRK_START_STA_FAILS) {
+-                      /*
+-                       * TODO: this is an ugly workaround for wl12xx fw
+-                       * bug - we are not able to tx/rx after the first
+-                       * start_sta, so make dummy start+stop calls,
+-                       * and then call start_sta again.
+-                       * this should be fixed in the fw.
+-                       */
+-                      wl12xx_cmd_role_start_sta(wl, wlvif);
+-                      wl12xx_cmd_role_stop_sta(wl, wlvif);
+-              }
+-
++      else
+               ret = wl12xx_cmd_role_start_sta(wl, wlvif);
+-      }
+ 
+       return ret;
+ }
+diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h 
b/drivers/net/wireless/ti/wlcore/wlcore.h
+index b7821311ac75b..81c94d390623b 100644
+--- a/drivers/net/wireless/ti/wlcore/wlcore.h
++++ b/drivers/net/wireless/ti/wlcore/wlcore.h
+@@ -547,9 +547,6 @@ wlcore_set_min_fw_ver(struct wl1271 *wl, unsigned int chip,
+ /* Each RX/TX transaction requires an end-of-transaction transfer */
+ #define WLCORE_QUIRK_END_OF_TRANSACTION               BIT(0)
+ 
+-/* the first start_role(sta) sometimes doesn't work on wl12xx */
+-#define WLCORE_QUIRK_START_STA_FAILS          BIT(1)
+-
+ /* wl127x and SPI don't support SDIO block size alignment */
+ #define WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN               BIT(2)
+ 
+diff --git a/drivers/net/xen-netback/netback.c 
b/drivers/net/xen-netback/netback.c
+index 4bfafcd6317f4..c213f2b812691 100644
+--- a/drivers/net/xen-netback/netback.c
++++ b/drivers/net/xen-netback/netback.c
+@@ -1335,11 +1335,21 @@ int xenvif_tx_action(struct xenvif_queue *queue, int 
budget)
+               return 0;
+ 
+       gnttab_batch_copy(queue->tx_copy_ops, nr_cops);
+-      if (nr_mops != 0)
++      if (nr_mops != 0) {
+               ret = gnttab_map_refs(queue->tx_map_ops,
+                                     NULL,
+                                     queue->pages_to_map,
+                                     nr_mops);
++              if (ret) {
++                      unsigned int i;
++
++                      netdev_err(queue->vif->dev, "Map fail: nr %u ret %d\n",
++                                 nr_mops, ret);
++                      for (i = 0; i < nr_mops; ++i)
++                              WARN_ON_ONCE(queue->tx_map_ops[i].status ==
++                                           GNTST_okay);
++              }
++      }
+ 
+       work_done = xenvif_tx_submit(queue);
+ 
+diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
+index c2cabd77884bf..95d77a17375e1 100644
+--- a/drivers/nvme/host/core.c
++++ b/drivers/nvme/host/core.c
+@@ -317,6 +317,26 @@ bool nvme_cancel_request(struct request *req, void *data, 
bool reserved)
+ }
+ EXPORT_SYMBOL_GPL(nvme_cancel_request);
+ 
++void nvme_cancel_tagset(struct nvme_ctrl *ctrl)
++{
++      if (ctrl->tagset) {
++              blk_mq_tagset_busy_iter(ctrl->tagset,
++                              nvme_cancel_request, ctrl);
++              blk_mq_tagset_wait_completed_request(ctrl->tagset);
++      }
++}
++EXPORT_SYMBOL_GPL(nvme_cancel_tagset);
++
++void nvme_cancel_admin_tagset(struct nvme_ctrl *ctrl)
++{
++      if (ctrl->admin_tagset) {
++              blk_mq_tagset_busy_iter(ctrl->admin_tagset,
++                              nvme_cancel_request, ctrl);
++              blk_mq_tagset_wait_completed_request(ctrl->admin_tagset);
++      }
++}
++EXPORT_SYMBOL_GPL(nvme_cancel_admin_tagset);
++
+ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl,
+               enum nvme_ctrl_state new_state)
+ {
+diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
+index e392d6cd92ced..62e5401865fee 100644
+--- a/drivers/nvme/host/nvme.h
++++ b/drivers/nvme/host/nvme.h
+@@ -468,6 +468,8 @@ static inline void nvme_put_ctrl(struct nvme_ctrl *ctrl)
+ 
+ void nvme_complete_rq(struct request *req);
+ bool nvme_cancel_request(struct request *req, void *data, bool reserved);
++void nvme_cancel_tagset(struct nvme_ctrl *ctrl);
++void nvme_cancel_admin_tagset(struct nvme_ctrl *ctrl);
+ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl,
+               enum nvme_ctrl_state new_state);
+ bool nvme_wait_reset(struct nvme_ctrl *ctrl);
+diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
+index 19e375b59f407..abc342db3b337 100644
+--- a/drivers/nvme/host/pci.c
++++ b/drivers/nvme/host/pci.c
+@@ -528,50 +528,71 @@ static inline bool nvme_pci_use_sgls(struct nvme_dev 
*dev, struct request *req)
+       return true;
+ }
+ 
+-static void nvme_unmap_data(struct nvme_dev *dev, struct request *req)
++static void nvme_free_prps(struct nvme_dev *dev, struct request *req)
+ {
+-      struct nvme_iod *iod = blk_mq_rq_to_pdu(req);
+       const int last_prp = dev->ctrl.page_size / sizeof(__le64) - 1;
+-      dma_addr_t dma_addr = iod->first_dma, next_dma_addr;
++      struct nvme_iod *iod = blk_mq_rq_to_pdu(req);
++      dma_addr_t dma_addr = iod->first_dma;
+       int i;
+ 
+-      if (iod->dma_len) {
+-              dma_unmap_page(dev->dev, dma_addr, iod->dma_len,
+-                             rq_dma_dir(req));
+-              return;
++      for (i = 0; i < iod->npages; i++) {
++              __le64 *prp_list = nvme_pci_iod_list(req)[i];
++              dma_addr_t next_dma_addr = le64_to_cpu(prp_list[last_prp]);
++
++              dma_pool_free(dev->prp_page_pool, prp_list, dma_addr);
++              dma_addr = next_dma_addr;
+       }
+ 
+-      WARN_ON_ONCE(!iod->nents);
++}
+ 
+-      if (is_pci_p2pdma_page(sg_page(iod->sg)))
+-              pci_p2pdma_unmap_sg(dev->dev, iod->sg, iod->nents,
+-                                  rq_dma_dir(req));
+-      else
+-              dma_unmap_sg(dev->dev, iod->sg, iod->nents, rq_dma_dir(req));
++static void nvme_free_sgls(struct nvme_dev *dev, struct request *req)
++{
++      const int last_sg = SGES_PER_PAGE - 1;
++      struct nvme_iod *iod = blk_mq_rq_to_pdu(req);
++      dma_addr_t dma_addr = iod->first_dma;
++      int i;
+ 
++      for (i = 0; i < iod->npages; i++) {
++              struct nvme_sgl_desc *sg_list = nvme_pci_iod_list(req)[i];
++              dma_addr_t next_dma_addr = le64_to_cpu((sg_list[last_sg]).addr);
+ 
+-      if (iod->npages == 0)
+-              dma_pool_free(dev->prp_small_pool, nvme_pci_iod_list(req)[0],
+-                      dma_addr);
++              dma_pool_free(dev->prp_page_pool, sg_list, dma_addr);
++              dma_addr = next_dma_addr;
++      }
+ 
+-      for (i = 0; i < iod->npages; i++) {
+-              void *addr = nvme_pci_iod_list(req)[i];
++}
+ 
+-              if (iod->use_sgl) {
+-                      struct nvme_sgl_desc *sg_list = addr;
++static void nvme_unmap_sg(struct nvme_dev *dev, struct request *req)
++{
++      struct nvme_iod *iod = blk_mq_rq_to_pdu(req);
+ 
+-                      next_dma_addr =
+-                          le64_to_cpu((sg_list[SGES_PER_PAGE - 1]).addr);
+-              } else {
+-                      __le64 *prp_list = addr;
++      if (is_pci_p2pdma_page(sg_page(iod->sg)))
++              pci_p2pdma_unmap_sg(dev->dev, iod->sg, iod->nents,
++                                  rq_dma_dir(req));
++      else
++              dma_unmap_sg(dev->dev, iod->sg, iod->nents, rq_dma_dir(req));
++}
+ 
+-                      next_dma_addr = le64_to_cpu(prp_list[last_prp]);
+-              }
++static void nvme_unmap_data(struct nvme_dev *dev, struct request *req)
++{
++      struct nvme_iod *iod = blk_mq_rq_to_pdu(req);
+ 
+-              dma_pool_free(dev->prp_page_pool, addr, dma_addr);
+-              dma_addr = next_dma_addr;
++      if (iod->dma_len) {
++              dma_unmap_page(dev->dev, iod->first_dma, iod->dma_len,
++                             rq_dma_dir(req));
++              return;
+       }
+ 
++      WARN_ON_ONCE(!iod->nents);
++
++      nvme_unmap_sg(dev, req);
++      if (iod->npages == 0)
++              dma_pool_free(dev->prp_small_pool, nvme_pci_iod_list(req)[0],
++                            iod->first_dma);
++      else if (iod->use_sgl)
++              nvme_free_sgls(dev, req);
++      else
++              nvme_free_prps(dev, req);
+       mempool_free(iod->sg, dev->iod_mempool);
+ }
+ 
+@@ -648,7 +669,7 @@ static blk_status_t nvme_pci_setup_prps(struct nvme_dev 
*dev,
+                       __le64 *old_prp_list = prp_list;
+                       prp_list = dma_pool_alloc(pool, GFP_ATOMIC, &prp_dma);
+                       if (!prp_list)
+-                              return BLK_STS_RESOURCE;
++                              goto free_prps;
+                       list[iod->npages++] = prp_list;
+                       prp_list[0] = old_prp_list[i - 1];
+                       old_prp_list[i - 1] = cpu_to_le64(prp_dma);
+@@ -668,14 +689,14 @@ static blk_status_t nvme_pci_setup_prps(struct nvme_dev 
*dev,
+               dma_addr = sg_dma_address(sg);
+               dma_len = sg_dma_len(sg);
+       }
+-
+ done:
+       cmnd->dptr.prp1 = cpu_to_le64(sg_dma_address(iod->sg));
+       cmnd->dptr.prp2 = cpu_to_le64(iod->first_dma);
+-
+       return BLK_STS_OK;
+-
+- bad_sgl:
++free_prps:
++      nvme_free_prps(dev, req);
++      return BLK_STS_RESOURCE;
++bad_sgl:
+       WARN(DO_ONCE(nvme_print_sgl, iod->sg, iod->nents),
+                       "Invalid SGL for payload:%d nents:%d\n",
+                       blk_rq_payload_bytes(req), iod->nents);
+@@ -747,7 +768,7 @@ static blk_status_t nvme_pci_setup_sgls(struct nvme_dev 
*dev,
+ 
+                       sg_list = dma_pool_alloc(pool, GFP_ATOMIC, &sgl_dma);
+                       if (!sg_list)
+-                              return BLK_STS_RESOURCE;
++                              goto free_sgls;
+ 
+                       i = 0;
+                       nvme_pci_iod_list(req)[iod->npages++] = sg_list;
+@@ -760,6 +781,9 @@ static blk_status_t nvme_pci_setup_sgls(struct nvme_dev 
*dev,
+       } while (--entries > 0);
+ 
+       return BLK_STS_OK;
++free_sgls:
++      nvme_free_sgls(dev, req);
++      return BLK_STS_RESOURCE;
+ }
+ 
+ static blk_status_t nvme_setup_prp_simple(struct nvme_dev *dev,
+@@ -828,7 +852,7 @@ static blk_status_t nvme_map_data(struct nvme_dev *dev, 
struct request *req,
+       sg_init_table(iod->sg, blk_rq_nr_phys_segments(req));
+       iod->nents = blk_rq_map_sg(req->q, req, iod->sg);
+       if (!iod->nents)
+-              goto out;
++              goto out_free_sg;
+ 
+       if (is_pci_p2pdma_page(sg_page(iod->sg)))
+               nr_mapped = pci_p2pdma_map_sg_attrs(dev->dev, iod->sg,
+@@ -837,16 +861,21 @@ static blk_status_t nvme_map_data(struct nvme_dev *dev, 
struct request *req,
+               nr_mapped = dma_map_sg_attrs(dev->dev, iod->sg, iod->nents,
+                                            rq_dma_dir(req), DMA_ATTR_NO_WARN);
+       if (!nr_mapped)
+-              goto out;
++              goto out_free_sg;
+ 
+       iod->use_sgl = nvme_pci_use_sgls(dev, req);
+       if (iod->use_sgl)
+               ret = nvme_pci_setup_sgls(dev, req, &cmnd->rw, nr_mapped);
+       else
+               ret = nvme_pci_setup_prps(dev, req, &cmnd->rw);
+-out:
+       if (ret != BLK_STS_OK)
+-              nvme_unmap_data(dev, req);
++              goto out_unmap_sg;
++      return BLK_STS_OK;
++
++out_unmap_sg:
++      nvme_unmap_sg(dev, req);
++out_free_sg:
++      mempool_free(iod->sg, dev->iod_mempool);
+       return ret;
+ }
+ 
+diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
+index 8a62c2fe5a5ec..da60300104322 100644
+--- a/drivers/nvme/host/rdma.c
++++ b/drivers/nvme/host/rdma.c
+@@ -835,12 +835,16 @@ static int nvme_rdma_configure_admin_queue(struct 
nvme_rdma_ctrl *ctrl,
+ 
+       error = nvme_init_identify(&ctrl->ctrl);
+       if (error)
+-              goto out_stop_queue;
++              goto out_quiesce_queue;
+ 
+       return 0;
+ 
++out_quiesce_queue:
++      blk_mq_quiesce_queue(ctrl->ctrl.admin_q);
++      blk_sync_queue(ctrl->ctrl.admin_q);
+ out_stop_queue:
+       nvme_rdma_stop_queue(&ctrl->queues[0]);
++      nvme_cancel_admin_tagset(&ctrl->ctrl);
+ out_cleanup_queue:
+       if (new)
+               blk_cleanup_queue(ctrl->ctrl.admin_q);
+@@ -917,8 +921,10 @@ static int nvme_rdma_configure_io_queues(struct 
nvme_rdma_ctrl *ctrl, bool new)
+ 
+ out_wait_freeze_timed_out:
+       nvme_stop_queues(&ctrl->ctrl);
++      nvme_sync_io_queues(&ctrl->ctrl);
+       nvme_rdma_stop_io_queues(ctrl);
+ out_cleanup_connect_q:
++      nvme_cancel_tagset(&ctrl->ctrl);
+       if (new)
+               blk_cleanup_queue(ctrl->ctrl.connect_q);
+ out_free_tag_set:
+@@ -1054,10 +1060,18 @@ static int nvme_rdma_setup_ctrl(struct nvme_rdma_ctrl 
*ctrl, bool new)
+       return 0;
+ 
+ destroy_io:
+-      if (ctrl->ctrl.queue_count > 1)
++      if (ctrl->ctrl.queue_count > 1) {
++              nvme_stop_queues(&ctrl->ctrl);
++              nvme_sync_io_queues(&ctrl->ctrl);
++              nvme_rdma_stop_io_queues(ctrl);
++              nvme_cancel_tagset(&ctrl->ctrl);
+               nvme_rdma_destroy_io_queues(ctrl, new);
++      }
+ destroy_admin:
++      blk_mq_quiesce_queue(ctrl->ctrl.admin_q);
++      blk_sync_queue(ctrl->ctrl.admin_q);
+       nvme_rdma_stop_queue(&ctrl->queues[0]);
++      nvme_cancel_admin_tagset(&ctrl->ctrl);
+       nvme_rdma_destroy_admin_queue(ctrl, new);
+       return ret;
+ }
+diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c
+index a554021e1ab92..77a3c488ec120 100644
+--- a/drivers/nvme/host/tcp.c
++++ b/drivers/nvme/host/tcp.c
+@@ -1710,8 +1710,10 @@ static int nvme_tcp_configure_io_queues(struct 
nvme_ctrl *ctrl, bool new)
+ 
+ out_wait_freeze_timed_out:
+       nvme_stop_queues(ctrl);
++      nvme_sync_io_queues(ctrl);
+       nvme_tcp_stop_io_queues(ctrl);
+ out_cleanup_connect_q:
++      nvme_cancel_tagset(ctrl);
+       if (new)
+               blk_cleanup_queue(ctrl->connect_q);
+ out_free_tag_set:
+@@ -1773,12 +1775,16 @@ static int nvme_tcp_configure_admin_queue(struct 
nvme_ctrl *ctrl, bool new)
+ 
+       error = nvme_init_identify(ctrl);
+       if (error)
+-              goto out_stop_queue;
++              goto out_quiesce_queue;
+ 
+       return 0;
+ 
++out_quiesce_queue:
++      blk_mq_quiesce_queue(ctrl->admin_q);
++      blk_sync_queue(ctrl->admin_q);
+ out_stop_queue:
+       nvme_tcp_stop_queue(ctrl, 0);
++      nvme_cancel_admin_tagset(ctrl);
+ out_cleanup_queue:
+       if (new)
+               blk_cleanup_queue(ctrl->admin_q);
+@@ -1892,10 +1898,18 @@ static int nvme_tcp_setup_ctrl(struct nvme_ctrl *ctrl, 
bool new)
+       return 0;
+ 
+ destroy_io:
+-      if (ctrl->queue_count > 1)
++      if (ctrl->queue_count > 1) {
++              nvme_stop_queues(ctrl);
++              nvme_sync_io_queues(ctrl);
++              nvme_tcp_stop_io_queues(ctrl);
++              nvme_cancel_tagset(ctrl);
+               nvme_tcp_destroy_io_queues(ctrl, new);
++      }
+ destroy_admin:
++      blk_mq_quiesce_queue(ctrl->admin_q);
++      blk_sync_queue(ctrl->admin_q);
+       nvme_tcp_stop_queue(ctrl, 0);
++      nvme_cancel_admin_tagset(ctrl);
+       nvme_tcp_destroy_admin_queue(ctrl, new);
+       return ret;
+ }
+diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
+index 89dece8a41321..9add26438be50 100644
+--- a/drivers/pci/pci.c
++++ b/drivers/pci/pci.c
+@@ -3471,7 +3471,14 @@ u32 pci_rebar_get_possible_sizes(struct pci_dev *pdev, 
int bar)
+               return 0;
+ 
+       pci_read_config_dword(pdev, pos + PCI_REBAR_CAP, &cap);
+-      return (cap & PCI_REBAR_CAP_SIZES) >> 4;
++      cap &= PCI_REBAR_CAP_SIZES;
++
++      /* Sapphire RX 5600 XT Pulse has an invalid cap dword for BAR 0 */
++      if (pdev->vendor == PCI_VENDOR_ID_ATI && pdev->device == 0x731f &&
++          bar == 0 && cap == 0x7000)
++              cap = 0x3f000;
++
++      return cap >> 4;
+ }
+ 
+ /**
+diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
+index f954be3d5ee22..a14057c67a12a 100644
+--- a/drivers/scsi/libiscsi.c
++++ b/drivers/scsi/libiscsi.c
+@@ -3331,125 +3331,125 @@ int iscsi_session_get_param(struct iscsi_cls_session 
*cls_session,
+ 
+       switch(param) {
+       case ISCSI_PARAM_FAST_ABORT:
+-              len = sprintf(buf, "%d\n", session->fast_abort);
++              len = sysfs_emit(buf, "%d\n", session->fast_abort);
+               break;
+       case ISCSI_PARAM_ABORT_TMO:
+-              len = sprintf(buf, "%d\n", session->abort_timeout);
++              len = sysfs_emit(buf, "%d\n", session->abort_timeout);
+               break;
+       case ISCSI_PARAM_LU_RESET_TMO:
+-              len = sprintf(buf, "%d\n", session->lu_reset_timeout);
++              len = sysfs_emit(buf, "%d\n", session->lu_reset_timeout);
+               break;
+       case ISCSI_PARAM_TGT_RESET_TMO:
+-              len = sprintf(buf, "%d\n", session->tgt_reset_timeout);
++              len = sysfs_emit(buf, "%d\n", session->tgt_reset_timeout);
+               break;
+       case ISCSI_PARAM_INITIAL_R2T_EN:
+-              len = sprintf(buf, "%d\n", session->initial_r2t_en);
++              len = sysfs_emit(buf, "%d\n", session->initial_r2t_en);
+               break;
+       case ISCSI_PARAM_MAX_R2T:
+-              len = sprintf(buf, "%hu\n", session->max_r2t);
++              len = sysfs_emit(buf, "%hu\n", session->max_r2t);
+               break;
+       case ISCSI_PARAM_IMM_DATA_EN:
+-              len = sprintf(buf, "%d\n", session->imm_data_en);
++              len = sysfs_emit(buf, "%d\n", session->imm_data_en);
+               break;
+       case ISCSI_PARAM_FIRST_BURST:
+-              len = sprintf(buf, "%u\n", session->first_burst);
++              len = sysfs_emit(buf, "%u\n", session->first_burst);
+               break;
+       case ISCSI_PARAM_MAX_BURST:
+-              len = sprintf(buf, "%u\n", session->max_burst);
++              len = sysfs_emit(buf, "%u\n", session->max_burst);
+               break;
+       case ISCSI_PARAM_PDU_INORDER_EN:
+-              len = sprintf(buf, "%d\n", session->pdu_inorder_en);
++              len = sysfs_emit(buf, "%d\n", session->pdu_inorder_en);
+               break;
+       case ISCSI_PARAM_DATASEQ_INORDER_EN:
+-              len = sprintf(buf, "%d\n", session->dataseq_inorder_en);
++              len = sysfs_emit(buf, "%d\n", session->dataseq_inorder_en);
+               break;
+       case ISCSI_PARAM_DEF_TASKMGMT_TMO:
+-              len = sprintf(buf, "%d\n", session->def_taskmgmt_tmo);
++              len = sysfs_emit(buf, "%d\n", session->def_taskmgmt_tmo);
+               break;
+       case ISCSI_PARAM_ERL:
+-              len = sprintf(buf, "%d\n", session->erl);
++              len = sysfs_emit(buf, "%d\n", session->erl);
+               break;
+       case ISCSI_PARAM_TARGET_NAME:
+-              len = sprintf(buf, "%s\n", session->targetname);
++              len = sysfs_emit(buf, "%s\n", session->targetname);
+               break;
+       case ISCSI_PARAM_TARGET_ALIAS:
+-              len = sprintf(buf, "%s\n", session->targetalias);
++              len = sysfs_emit(buf, "%s\n", session->targetalias);
+               break;
+       case ISCSI_PARAM_TPGT:
+-              len = sprintf(buf, "%d\n", session->tpgt);
++              len = sysfs_emit(buf, "%d\n", session->tpgt);
+               break;
+       case ISCSI_PARAM_USERNAME:
+-              len = sprintf(buf, "%s\n", session->username);
++              len = sysfs_emit(buf, "%s\n", session->username);
+               break;
+       case ISCSI_PARAM_USERNAME_IN:
+-              len = sprintf(buf, "%s\n", session->username_in);
++              len = sysfs_emit(buf, "%s\n", session->username_in);
+               break;
+       case ISCSI_PARAM_PASSWORD:
+-              len = sprintf(buf, "%s\n", session->password);
++              len = sysfs_emit(buf, "%s\n", session->password);
+               break;
+       case ISCSI_PARAM_PASSWORD_IN:
+-              len = sprintf(buf, "%s\n", session->password_in);
++              len = sysfs_emit(buf, "%s\n", session->password_in);
+               break;
+       case ISCSI_PARAM_IFACE_NAME:
+-              len = sprintf(buf, "%s\n", session->ifacename);
++              len = sysfs_emit(buf, "%s\n", session->ifacename);
+               break;
+       case ISCSI_PARAM_INITIATOR_NAME:
+-              len = sprintf(buf, "%s\n", session->initiatorname);
++              len = sysfs_emit(buf, "%s\n", session->initiatorname);
+               break;
+       case ISCSI_PARAM_BOOT_ROOT:
+-              len = sprintf(buf, "%s\n", session->boot_root);
++              len = sysfs_emit(buf, "%s\n", session->boot_root);
+               break;
+       case ISCSI_PARAM_BOOT_NIC:
+-              len = sprintf(buf, "%s\n", session->boot_nic);
++              len = sysfs_emit(buf, "%s\n", session->boot_nic);
+               break;
+       case ISCSI_PARAM_BOOT_TARGET:
+-              len = sprintf(buf, "%s\n", session->boot_target);
++              len = sysfs_emit(buf, "%s\n", session->boot_target);
+               break;
+       case ISCSI_PARAM_AUTO_SND_TGT_DISABLE:
+-              len = sprintf(buf, "%u\n", session->auto_snd_tgt_disable);
++              len = sysfs_emit(buf, "%u\n", session->auto_snd_tgt_disable);
+               break;
+       case ISCSI_PARAM_DISCOVERY_SESS:
+-              len = sprintf(buf, "%u\n", session->discovery_sess);
++              len = sysfs_emit(buf, "%u\n", session->discovery_sess);
+               break;
+       case ISCSI_PARAM_PORTAL_TYPE:
+-              len = sprintf(buf, "%s\n", session->portal_type);
++              len = sysfs_emit(buf, "%s\n", session->portal_type);
+               break;
+       case ISCSI_PARAM_CHAP_AUTH_EN:
+-              len = sprintf(buf, "%u\n", session->chap_auth_en);
++              len = sysfs_emit(buf, "%u\n", session->chap_auth_en);
+               break;
+       case ISCSI_PARAM_DISCOVERY_LOGOUT_EN:
+-              len = sprintf(buf, "%u\n", session->discovery_logout_en);
++              len = sysfs_emit(buf, "%u\n", session->discovery_logout_en);
+               break;
+       case ISCSI_PARAM_BIDI_CHAP_EN:
+-              len = sprintf(buf, "%u\n", session->bidi_chap_en);
++              len = sysfs_emit(buf, "%u\n", session->bidi_chap_en);
+               break;
+       case ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL:
+-              len = sprintf(buf, "%u\n", session->discovery_auth_optional);
++              len = sysfs_emit(buf, "%u\n", session->discovery_auth_optional);
+               break;
+       case ISCSI_PARAM_DEF_TIME2WAIT:
+-              len = sprintf(buf, "%d\n", session->time2wait);
++              len = sysfs_emit(buf, "%d\n", session->time2wait);
+               break;
+       case ISCSI_PARAM_DEF_TIME2RETAIN:
+-              len = sprintf(buf, "%d\n", session->time2retain);
++              len = sysfs_emit(buf, "%d\n", session->time2retain);
+               break;
+       case ISCSI_PARAM_TSID:
+-              len = sprintf(buf, "%u\n", session->tsid);
++              len = sysfs_emit(buf, "%u\n", session->tsid);
+               break;
+       case ISCSI_PARAM_ISID:
+-              len = sprintf(buf, "%02x%02x%02x%02x%02x%02x\n",
++              len = sysfs_emit(buf, "%02x%02x%02x%02x%02x%02x\n",
+                             session->isid[0], session->isid[1],
+                             session->isid[2], session->isid[3],
+                             session->isid[4], session->isid[5]);
+               break;
+       case ISCSI_PARAM_DISCOVERY_PARENT_IDX:
+-              len = sprintf(buf, "%u\n", session->discovery_parent_idx);
++              len = sysfs_emit(buf, "%u\n", session->discovery_parent_idx);
+               break;
+       case ISCSI_PARAM_DISCOVERY_PARENT_TYPE:
+               if (session->discovery_parent_type)
+-                      len = sprintf(buf, "%s\n",
++                      len = sysfs_emit(buf, "%s\n",
+                                     session->discovery_parent_type);
+               else
+-                      len = sprintf(buf, "\n");
++                      len = sysfs_emit(buf, "\n");
+               break;
+       default:
+               return -ENOSYS;
+@@ -3481,16 +3481,16 @@ int iscsi_conn_get_addr_param(struct sockaddr_storage 
*addr,
+       case ISCSI_PARAM_CONN_ADDRESS:
+       case ISCSI_HOST_PARAM_IPADDRESS:
+               if (sin)
+-                      len = sprintf(buf, "%pI4\n", &sin->sin_addr.s_addr);
++                      len = sysfs_emit(buf, "%pI4\n", &sin->sin_addr.s_addr);
+               else
+-                      len = sprintf(buf, "%pI6\n", &sin6->sin6_addr);
++                      len = sysfs_emit(buf, "%pI6\n", &sin6->sin6_addr);
+               break;
+       case ISCSI_PARAM_CONN_PORT:
+       case ISCSI_PARAM_LOCAL_PORT:
+               if (sin)
+-                      len = sprintf(buf, "%hu\n", be16_to_cpu(sin->sin_port));
++                      len = sysfs_emit(buf, "%hu\n", 
be16_to_cpu(sin->sin_port));
+               else
+-                      len = sprintf(buf, "%hu\n",
++                      len = sysfs_emit(buf, "%hu\n",
+                                     be16_to_cpu(sin6->sin6_port));
+               break;
+       default:
+@@ -3509,88 +3509,88 @@ int iscsi_conn_get_param(struct iscsi_cls_conn 
*cls_conn,
+ 
+       switch(param) {
+       case ISCSI_PARAM_PING_TMO:
+-              len = sprintf(buf, "%u\n", conn->ping_timeout);
++              len = sysfs_emit(buf, "%u\n", conn->ping_timeout);
+               break;
+       case ISCSI_PARAM_RECV_TMO:
+-              len = sprintf(buf, "%u\n", conn->recv_timeout);
++              len = sysfs_emit(buf, "%u\n", conn->recv_timeout);
+               break;
+       case ISCSI_PARAM_MAX_RECV_DLENGTH:
+-              len = sprintf(buf, "%u\n", conn->max_recv_dlength);
++              len = sysfs_emit(buf, "%u\n", conn->max_recv_dlength);
+               break;
+       case ISCSI_PARAM_MAX_XMIT_DLENGTH:
+-              len = sprintf(buf, "%u\n", conn->max_xmit_dlength);
++              len = sysfs_emit(buf, "%u\n", conn->max_xmit_dlength);
+               break;
+       case ISCSI_PARAM_HDRDGST_EN:
+-              len = sprintf(buf, "%d\n", conn->hdrdgst_en);
++              len = sysfs_emit(buf, "%d\n", conn->hdrdgst_en);
+               break;
+       case ISCSI_PARAM_DATADGST_EN:
+-              len = sprintf(buf, "%d\n", conn->datadgst_en);
++              len = sysfs_emit(buf, "%d\n", conn->datadgst_en);
+               break;
+       case ISCSI_PARAM_IFMARKER_EN:
+-              len = sprintf(buf, "%d\n", conn->ifmarker_en);
++              len = sysfs_emit(buf, "%d\n", conn->ifmarker_en);
+               break;
+       case ISCSI_PARAM_OFMARKER_EN:
+-              len = sprintf(buf, "%d\n", conn->ofmarker_en);
++              len = sysfs_emit(buf, "%d\n", conn->ofmarker_en);
+               break;
+       case ISCSI_PARAM_EXP_STATSN:
+-              len = sprintf(buf, "%u\n", conn->exp_statsn);
++              len = sysfs_emit(buf, "%u\n", conn->exp_statsn);
+               break;
+       case ISCSI_PARAM_PERSISTENT_PORT:
+-              len = sprintf(buf, "%d\n", conn->persistent_port);
++              len = sysfs_emit(buf, "%d\n", conn->persistent_port);
+               break;
+       case ISCSI_PARAM_PERSISTENT_ADDRESS:
+-              len = sprintf(buf, "%s\n", conn->persistent_address);
++              len = sysfs_emit(buf, "%s\n", conn->persistent_address);
+               break;
+       case ISCSI_PARAM_STATSN:
+-              len = sprintf(buf, "%u\n", conn->statsn);
++              len = sysfs_emit(buf, "%u\n", conn->statsn);
+               break;
+       case ISCSI_PARAM_MAX_SEGMENT_SIZE:
+-              len = sprintf(buf, "%u\n", conn->max_segment_size);
++              len = sysfs_emit(buf, "%u\n", conn->max_segment_size);
+               break;
+       case ISCSI_PARAM_KEEPALIVE_TMO:
+-              len = sprintf(buf, "%u\n", conn->keepalive_tmo);
++              len = sysfs_emit(buf, "%u\n", conn->keepalive_tmo);
+               break;
+       case ISCSI_PARAM_LOCAL_PORT:
+-              len = sprintf(buf, "%u\n", conn->local_port);
++              len = sysfs_emit(buf, "%u\n", conn->local_port);
+               break;
+       case ISCSI_PARAM_TCP_TIMESTAMP_STAT:
+-              len = sprintf(buf, "%u\n", conn->tcp_timestamp_stat);
++              len = sysfs_emit(buf, "%u\n", conn->tcp_timestamp_stat);
+               break;
+       case ISCSI_PARAM_TCP_NAGLE_DISABLE:
+-              len = sprintf(buf, "%u\n", conn->tcp_nagle_disable);
++              len = sysfs_emit(buf, "%u\n", conn->tcp_nagle_disable);
+               break;
+       case ISCSI_PARAM_TCP_WSF_DISABLE:
+-              len = sprintf(buf, "%u\n", conn->tcp_wsf_disable);
++              len = sysfs_emit(buf, "%u\n", conn->tcp_wsf_disable);
+               break;
+       case ISCSI_PARAM_TCP_TIMER_SCALE:
+-              len = sprintf(buf, "%u\n", conn->tcp_timer_scale);
++              len = sysfs_emit(buf, "%u\n", conn->tcp_timer_scale);
+               break;
+       case ISCSI_PARAM_TCP_TIMESTAMP_EN:
+-              len = sprintf(buf, "%u\n", conn->tcp_timestamp_en);
++              len = sysfs_emit(buf, "%u\n", conn->tcp_timestamp_en);
+               break;
+       case ISCSI_PARAM_IP_FRAGMENT_DISABLE:
+-              len = sprintf(buf, "%u\n", conn->fragment_disable);
++              len = sysfs_emit(buf, "%u\n", conn->fragment_disable);
+               break;
+       case ISCSI_PARAM_IPV4_TOS:
+-              len = sprintf(buf, "%u\n", conn->ipv4_tos);
++              len = sysfs_emit(buf, "%u\n", conn->ipv4_tos);
+               break;
+       case ISCSI_PARAM_IPV6_TC:
+-              len = sprintf(buf, "%u\n", conn->ipv6_traffic_class);
++              len = sysfs_emit(buf, "%u\n", conn->ipv6_traffic_class);
+               break;
+       case ISCSI_PARAM_IPV6_FLOW_LABEL:
+-              len = sprintf(buf, "%u\n", conn->ipv6_flow_label);
++              len = sysfs_emit(buf, "%u\n", conn->ipv6_flow_label);
+               break;
+       case ISCSI_PARAM_IS_FW_ASSIGNED_IPV6:
+-              len = sprintf(buf, "%u\n", conn->is_fw_assigned_ipv6);
++              len = sysfs_emit(buf, "%u\n", conn->is_fw_assigned_ipv6);
+               break;
+       case ISCSI_PARAM_TCP_XMIT_WSF:
+-              len = sprintf(buf, "%u\n", conn->tcp_xmit_wsf);
++              len = sysfs_emit(buf, "%u\n", conn->tcp_xmit_wsf);
+               break;
+       case ISCSI_PARAM_TCP_RECV_WSF:
+-              len = sprintf(buf, "%u\n", conn->tcp_recv_wsf);
++              len = sysfs_emit(buf, "%u\n", conn->tcp_recv_wsf);
+               break;
+       case ISCSI_PARAM_LOCAL_IPADDR:
+-              len = sprintf(buf, "%s\n", conn->local_ipaddr);
++              len = sysfs_emit(buf, "%s\n", conn->local_ipaddr);
+               break;
+       default:
+               return -ENOSYS;
+@@ -3608,13 +3608,13 @@ int iscsi_host_get_param(struct Scsi_Host *shost, enum 
iscsi_host_param param,
+ 
+       switch (param) {
+       case ISCSI_HOST_PARAM_NETDEV_NAME:
+-              len = sprintf(buf, "%s\n", ihost->netdev);
++              len = sysfs_emit(buf, "%s\n", ihost->netdev);
+               break;
+       case ISCSI_HOST_PARAM_HWADDRESS:
+-              len = sprintf(buf, "%s\n", ihost->hwaddress);
++              len = sysfs_emit(buf, "%s\n", ihost->hwaddress);
+               break;
+       case ISCSI_HOST_PARAM_INITIATOR_NAME:
+-              len = sprintf(buf, "%s\n", ihost->initiatorname);
++              len = sysfs_emit(buf, "%s\n", ihost->initiatorname);
+               break;
+       default:
+               return -ENOSYS;
+diff --git a/drivers/scsi/scsi_transport_iscsi.c 
b/drivers/scsi/scsi_transport_iscsi.c
+index dbad926e8f87f..a26df7d6d5d18 100644
+--- a/drivers/scsi/scsi_transport_iscsi.c
++++ b/drivers/scsi/scsi_transport_iscsi.c
+@@ -124,7 +124,11 @@ show_transport_handle(struct device *dev, struct 
device_attribute *attr,
+                     char *buf)
+ {
+       struct iscsi_internal *priv = dev_to_iscsi_internal(dev);
+-      return sprintf(buf, "%llu\n", (unsigned long 
long)iscsi_handle(priv->iscsi_transport));
++
++      if (!capable(CAP_SYS_ADMIN))
++              return -EACCES;
++      return sysfs_emit(buf, "%llu\n",
++                (unsigned long long)iscsi_handle(priv->iscsi_transport));
+ }
+ static DEVICE_ATTR(handle, S_IRUGO, show_transport_handle, NULL);
+ 
+@@ -134,7 +138,7 @@ show_transport_##name(struct device *dev,                  
        \
+                     struct device_attribute *attr,char *buf)          \
+ {                                                                     \
+       struct iscsi_internal *priv = dev_to_iscsi_internal(dev);       \
+-      return sprintf(buf, format"\n", priv->iscsi_transport->name);   \
++      return sysfs_emit(buf, format"\n", priv->iscsi_transport->name);\
+ }                                                                     \
+ static DEVICE_ATTR(name, S_IRUGO, show_transport_##name, NULL);
+ 
+@@ -175,7 +179,7 @@ static ssize_t
+ show_ep_handle(struct device *dev, struct device_attribute *attr, char *buf)
+ {
+       struct iscsi_endpoint *ep = iscsi_dev_to_endpoint(dev);
+-      return sprintf(buf, "%llu\n", (unsigned long long) ep->id);
++      return sysfs_emit(buf, "%llu\n", (unsigned long long) ep->id);
+ }
+ static ISCSI_ATTR(ep, handle, S_IRUGO, show_ep_handle, NULL);
+ 
+@@ -2765,6 +2769,9 @@ iscsi_set_param(struct iscsi_transport *transport, 
struct iscsi_uevent *ev)
+       struct iscsi_cls_session *session;
+       int err = 0, value = 0;
+ 
++      if (ev->u.set_param.len > PAGE_SIZE)
++              return -EINVAL;
++
+       session = iscsi_session_lookup(ev->u.set_param.sid);
+       conn = iscsi_conn_lookup(ev->u.set_param.sid, ev->u.set_param.cid);
+       if (!conn || !session)
+@@ -2912,6 +2919,9 @@ iscsi_set_host_param(struct iscsi_transport *transport,
+       if (!transport->set_host_param)
+               return -ENOSYS;
+ 
++      if (ev->u.set_host_param.len > PAGE_SIZE)
++              return -EINVAL;
++
+       shost = scsi_host_lookup(ev->u.set_host_param.host_no);
+       if (!shost) {
+               printk(KERN_ERR "set_host_param could not find host no %u\n",
+@@ -3499,6 +3509,7 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr 
*nlh, uint32_t *group)
+ {
+       int err = 0;
+       u32 portid;
++      u32 pdu_len;
+       struct iscsi_uevent *ev = nlmsg_data(nlh);
+       struct iscsi_transport *transport = NULL;
+       struct iscsi_internal *priv;
+@@ -3506,6 +3517,9 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr 
*nlh, uint32_t *group)
+       struct iscsi_cls_conn *conn;
+       struct iscsi_endpoint *ep = NULL;
+ 
++      if (!netlink_capable(skb, CAP_SYS_ADMIN))
++              return -EPERM;
++
+       if (nlh->nlmsg_type == ISCSI_UEVENT_PATH_UPDATE)
+               *group = ISCSI_NL_GRP_UIP;
+       else
+@@ -3613,6 +3627,14 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr 
*nlh, uint32_t *group)
+                       err = -EINVAL;
+               break;
+       case ISCSI_UEVENT_SEND_PDU:
++              pdu_len = nlh->nlmsg_len - sizeof(*nlh) - sizeof(*ev);
++
++              if ((ev->u.send_pdu.hdr_size > pdu_len) ||
++                  (ev->u.send_pdu.data_size > (pdu_len - 
ev->u.send_pdu.hdr_size))) {
++                      err = -EINVAL;
++                      break;
++              }
++
+               conn = iscsi_conn_lookup(ev->u.send_pdu.sid, 
ev->u.send_pdu.cid);
+               if (conn)
+                       ev->r.retcode = transport->send_pdu(conn,
+@@ -4019,7 +4041,7 @@ show_priv_session_state(struct device *dev, struct 
device_attribute *attr,
+                       char *buf)
+ {
+       struct iscsi_cls_session *session = iscsi_dev_to_session(dev->parent);
+-      return sprintf(buf, "%s\n", iscsi_session_state_name(session->state));
++      return sysfs_emit(buf, "%s\n", 
iscsi_session_state_name(session->state));
+ }
+ static ISCSI_CLASS_ATTR(priv_sess, state, S_IRUGO, show_priv_session_state,
+                       NULL);
+@@ -4028,7 +4050,7 @@ show_priv_session_creator(struct device *dev, struct 
device_attribute *attr,
+                       char *buf)
+ {
+       struct iscsi_cls_session *session = iscsi_dev_to_session(dev->parent);
+-      return sprintf(buf, "%d\n", session->creator);
++      return sysfs_emit(buf, "%d\n", session->creator);
+ }
+ static ISCSI_CLASS_ATTR(priv_sess, creator, S_IRUGO, 
show_priv_session_creator,
+                       NULL);
+@@ -4037,7 +4059,7 @@ show_priv_session_target_id(struct device *dev, struct 
device_attribute *attr,
+                           char *buf)
+ {
+       struct iscsi_cls_session *session = iscsi_dev_to_session(dev->parent);
+-      return sprintf(buf, "%d\n", session->target_id);
++      return sysfs_emit(buf, "%d\n", session->target_id);
+ }
+ static ISCSI_CLASS_ATTR(priv_sess, target_id, S_IRUGO,
+                       show_priv_session_target_id, NULL);
+@@ -4050,8 +4072,8 @@ show_priv_session_##field(struct device *dev,            
                \
+       struct iscsi_cls_session *session =                             \
+                       iscsi_dev_to_session(dev->parent);              \
+       if (session->field == -1)                                       \
+-              return sprintf(buf, "off\n");                           \
+-      return sprintf(buf, format"\n", session->field);                \
++              return sysfs_emit(buf, "off\n");                        \
++      return sysfs_emit(buf, format"\n", session->field);             \
+ }
+ 
+ #define iscsi_priv_session_attr_store(field)                          \
+diff --git a/drivers/staging/fwserial/fwserial.c 
b/drivers/staging/fwserial/fwserial.c
+index aec0f19597a94..4df6e3c1ea96c 100644
+--- a/drivers/staging/fwserial/fwserial.c
++++ b/drivers/staging/fwserial/fwserial.c
+@@ -2189,6 +2189,7 @@ static int fwserial_create(struct fw_unit *unit)
+               err = fw_core_add_address_handler(&port->rx_handler,
+                                                 &fw_high_memory_region);
+               if (err) {
++                      tty_port_destroy(&port->port);
+                       kfree(port);
+                       goto free_ports;
+               }
+@@ -2271,6 +2272,7 @@ unregister_ttys:
+ 
+ free_ports:
+       for (--i; i >= 0; --i) {
++              fw_core_remove_address_handler(&serial->ports[i]->rx_handler);
+               tty_port_destroy(&serial->ports[i]->port);
+               kfree(serial->ports[i]);
+       }
+diff --git a/drivers/staging/most/sound/sound.c 
b/drivers/staging/most/sound/sound.c
+index 79817061fcfa4..4225ee9fcf7bf 100644
+--- a/drivers/staging/most/sound/sound.c
++++ b/drivers/staging/most/sound/sound.c
+@@ -98,6 +98,8 @@ static void swap_copy24(u8 *dest, const u8 *source, unsigned 
int bytes)
+ {
+       unsigned int i = 0;
+ 
++      if (bytes < 2)
++              return;
+       while (i < bytes - 2) {
+               dest[i] = source[i + 2];
+               dest[i + 1] = source[i + 1];
+diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-ctl.c 
b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-ctl.c
+index 4c2cae99776b9..3703409715dab 100644
+--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-ctl.c
++++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-ctl.c
+@@ -224,7 +224,7 @@ int snd_bcm2835_new_ctl(struct bcm2835_chip *chip)
+ {
+       int err;
+ 
+-      strcpy(chip->card->mixername, "Broadcom Mixer");
++      strscpy(chip->card->mixername, "Broadcom Mixer", 
sizeof(chip->card->mixername));
+       err = create_ctls(chip, ARRAY_SIZE(snd_bcm2835_ctl), snd_bcm2835_ctl);
+       if (err < 0)
+               return err;
+@@ -261,7 +261,7 @@ static const struct snd_kcontrol_new 
snd_bcm2835_headphones_ctl[] = {
+ 
+ int snd_bcm2835_new_headphones_ctl(struct bcm2835_chip *chip)
+ {
+-      strcpy(chip->card->mixername, "Broadcom Mixer");
++      strscpy(chip->card->mixername, "Broadcom Mixer", 
sizeof(chip->card->mixername));
+       return create_ctls(chip, ARRAY_SIZE(snd_bcm2835_headphones_ctl),
+                          snd_bcm2835_headphones_ctl);
+ }
+@@ -295,7 +295,7 @@ static const struct snd_kcontrol_new snd_bcm2835_hdmi[] = {
+ 
+ int snd_bcm2835_new_hdmi_ctl(struct bcm2835_chip *chip)
+ {
+-      strcpy(chip->card->mixername, "Broadcom Mixer");
++      strscpy(chip->card->mixername, "Broadcom Mixer", 
sizeof(chip->card->mixername));
+       return create_ctls(chip, ARRAY_SIZE(snd_bcm2835_hdmi),
+                          snd_bcm2835_hdmi);
+ }
+diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c 
b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
+index 826016c3431a1..8708f97b46f3a 100644
+--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
++++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
+@@ -351,7 +351,7 @@ int snd_bcm2835_new_pcm(struct bcm2835_chip *chip, const 
char *name,
+ 
+       pcm->private_data = chip;
+       pcm->nonatomic = true;
+-      strcpy(pcm->name, name);
++      strscpy(pcm->name, name, sizeof(pcm->name));
+       if (!spdif) {
+               chip->dest = route;
+               chip->volume = 0;
+diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c 
b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c
+index cf5f80f5ca6b0..c250fbef2fa3d 100644
+--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c
++++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c
+@@ -185,9 +185,9 @@ static int snd_add_child_device(struct device *dev,
+               goto error;
+       }
+ 
+-      strcpy(card->driver, audio_driver->driver.name);
+-      strcpy(card->shortname, audio_driver->shortname);
+-      strcpy(card->longname, audio_driver->longname);
++      strscpy(card->driver, audio_driver->driver.name, sizeof(card->driver));
++      strscpy(card->shortname, audio_driver->shortname, 
sizeof(card->shortname));
++      strscpy(card->longname, audio_driver->longname, sizeof(card->longname));
+ 
+       err = audio_driver->newpcm(chip, audio_driver->shortname,
+               audio_driver->route,
+diff --git a/drivers/tty/vt/consolemap.c b/drivers/tty/vt/consolemap.c
+index b28aa0d289f89..251c02af1fc3e 100644
+--- a/drivers/tty/vt/consolemap.c
++++ b/drivers/tty/vt/consolemap.c
+@@ -495,7 +495,7 @@ con_insert_unipair(struct uni_pagedir *p, u_short unicode, 
u_short fontpos)
+ 
+       p2[unicode & 0x3f] = fontpos;
+       
+-      p->sum += (fontpos << 20) + unicode;
++      p->sum += (fontpos << 20U) + unicode;
+ 
+       return 0;
+ }
+diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c
+index fe373b63ddd6d..ecbfbbf1c1a79 100644
+--- a/drivers/video/fbdev/udlfb.c
++++ b/drivers/video/fbdev/udlfb.c
+@@ -1017,6 +1017,7 @@ static void dlfb_ops_destroy(struct fb_info *info)
+       }
+       vfree(dlfb->backing_buffer);
+       kfree(dlfb->edid);
++      dlfb_free_urb_list(dlfb);
+       usb_put_dev(dlfb->udev);
+       kfree(dlfb);
+ 
+diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
+index c346ee7ec18d4..aca6c467d7761 100644
+--- a/fs/btrfs/transaction.c
++++ b/fs/btrfs/transaction.c
+@@ -1212,7 +1212,6 @@ static noinline int commit_fs_roots(struct 
btrfs_trans_handle *trans)
+       struct btrfs_root *gang[8];
+       int i;
+       int ret;
+-      int err = 0;
+ 
+       spin_lock(&fs_info->fs_roots_radix_lock);
+       while (1) {
+@@ -1224,6 +1223,8 @@ static noinline int commit_fs_roots(struct 
btrfs_trans_handle *trans)
+                       break;
+               for (i = 0; i < ret; i++) {
+                       struct btrfs_root *root = gang[i];
++                      int ret2;
++
+                       radix_tree_tag_clear(&fs_info->fs_roots_radix,
+                                       (unsigned long)root->root_key.objectid,
+                                       BTRFS_ROOT_TRANS_TAG);
+@@ -1245,17 +1246,17 @@ static noinline int commit_fs_roots(struct 
btrfs_trans_handle *trans)
+                                                   root->node);
+                       }
+ 
+-                      err = btrfs_update_root(trans, fs_info->tree_root,
++                      ret2 = btrfs_update_root(trans, fs_info->tree_root,
+                                               &root->root_key,
+                                               &root->root_item);
++                      if (ret2)
++                              return ret2;
+                       spin_lock(&fs_info->fs_roots_radix_lock);
+-                      if (err)
+-                              break;
+                       btrfs_qgroup_free_meta_all_pertrans(root);
+               }
+       }
+       spin_unlock(&fs_info->fs_roots_radix_lock);
+-      return err;
++      return 0;
+ }
+ 
+ /*
+diff --git a/fs/erofs/super.c b/fs/erofs/super.c
+index 0e369494f2f2c..22e059b4f745c 100644
+--- a/fs/erofs/super.c
++++ b/fs/erofs/super.c
+@@ -124,8 +124,8 @@ static int erofs_read_superblock(struct super_block *sb)
+       blkszbits = dsb->blkszbits;
+       /* 9(512 bytes) + LOG_SECTORS_PER_BLOCK == LOG_BLOCK_SIZE */
+       if (blkszbits != LOG_BLOCK_SIZE) {
+-              erofs_err(sb, "blksize %u isn't supported on this platform",
+-                        1 << blkszbits);
++              erofs_err(sb, "blkszbits %u isn't supported on this platform",
++                        blkszbits);
+               goto out;
+       }
+ 
+diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
+index 5d9584281935f..3a97ac56821ba 100644
+--- a/fs/f2fs/namei.c
++++ b/fs/f2fs/namei.c
+@@ -797,7 +797,11 @@ static int __f2fs_tmpfile(struct inode *dir, struct 
dentry *dentry,
+ 
+       if (whiteout) {
+               f2fs_i_links_write(inode, false);
++
++              spin_lock(&inode->i_lock);
+               inode->i_state |= I_LINKABLE;
++              spin_unlock(&inode->i_lock);
++
+               *whiteout = inode;
+       } else {
+               d_tmpfile(dentry, inode);
+@@ -996,7 +1000,11 @@ static int f2fs_rename(struct inode *old_dir, struct 
dentry *old_dentry,
+               err = f2fs_add_link(old_dentry, whiteout);
+               if (err)
+                       goto put_out_dir;
++
++              spin_lock(&whiteout->i_lock);
+               whiteout->i_state &= ~I_LINKABLE;
++              spin_unlock(&whiteout->i_lock);
++
+               iput(whiteout);
+       }
+ 
+diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
+index 325781a1ae4d6..2034b9a07d632 100644
+--- a/fs/f2fs/segment.h
++++ b/fs/f2fs/segment.h
+@@ -88,11 +88,11 @@
+ #define BLKS_PER_SEC(sbi)                                     \
+       ((sbi)->segs_per_sec * (sbi)->blocks_per_seg)
+ #define GET_SEC_FROM_SEG(sbi, segno)                          \
+-      ((segno) / (sbi)->segs_per_sec)
++      (((segno) == -1) ? -1: (segno) / (sbi)->segs_per_sec)
+ #define GET_SEG_FROM_SEC(sbi, secno)                          \
+       ((secno) * (sbi)->segs_per_sec)
+ #define GET_ZONE_FROM_SEC(sbi, secno)                         \
+-      ((secno) / (sbi)->secs_per_zone)
++      (((secno) == -1) ? -1: (secno) / (sbi)->secs_per_zone)
+ #define GET_ZONE_FROM_SEG(sbi, segno)                         \
+       GET_ZONE_FROM_SEC(sbi, GET_SEC_FROM_SEG(sbi, segno))
+ 
+diff --git a/fs/jfs/jfs_filsys.h b/fs/jfs/jfs_filsys.h
+index 1e899298f7f00..b5d702df7111a 100644
+--- a/fs/jfs/jfs_filsys.h
++++ b/fs/jfs/jfs_filsys.h
+@@ -268,5 +268,6 @@
+                                * fsck() must be run to repair
+                                */
+ #define       FM_EXTENDFS 0x00000008  /* file system extendfs() in progress */
++#define       FM_STATE_MAX 0x0000000f /* max value of s_state */
+ 
+ #endif                                /* _H_JFS_FILSYS */
+diff --git a/fs/jfs/jfs_mount.c b/fs/jfs/jfs_mount.c
+index eb8b9e233d73d..616de103dccc5 100644
+--- a/fs/jfs/jfs_mount.c
++++ b/fs/jfs/jfs_mount.c
+@@ -36,6 +36,7 @@
+ 
+ #include <linux/fs.h>
+ #include <linux/buffer_head.h>
++#include <linux/log2.h>
+ 
+ #include "jfs_incore.h"
+ #include "jfs_filsys.h"
+@@ -365,6 +366,15 @@ static int chkSuper(struct super_block *sb)
+       sbi->bsize = bsize;
+       sbi->l2bsize = le16_to_cpu(j_sb->s_l2bsize);
+ 
++      /* check some fields for possible corruption */
++      if (sbi->l2bsize != ilog2((u32)bsize) ||
++          j_sb->pad != 0 ||
++          le32_to_cpu(j_sb->s_state) > FM_STATE_MAX) {
++              rc = -EINVAL;
++              jfs_err("jfs_mount: Mount Failure: superblock is corrupt!");
++              goto out;
++      }
++
+       /*
+        * For now, ignore s_pbsize, l2bfactor.  All I/O going through buffer
+        * cache.
+diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
+index 130fc6fbcc038..4f7cf975b27c2 100644
+--- a/fs/sysfs/file.c
++++ b/fs/sysfs/file.c
+@@ -15,6 +15,7 @@
+ #include <linux/list.h>
+ #include <linux/mutex.h>
+ #include <linux/seq_file.h>
++#include <linux/mm.h>
+ 
+ #include "sysfs.h"
+ 
+@@ -558,3 +559,57 @@ void sysfs_remove_bin_file(struct kobject *kobj,
+       kernfs_remove_by_name(kobj->sd, attr->attr.name);
+ }
+ EXPORT_SYMBOL_GPL(sysfs_remove_bin_file);
++
++/**
++ *    sysfs_emit - scnprintf equivalent, aware of PAGE_SIZE buffer.
++ *    @buf:   start of PAGE_SIZE buffer.
++ *    @fmt:   format
++ *    @...:   optional arguments to @format
++ *
++ *
++ * Returns number of characters written to @buf.
++ */
++int sysfs_emit(char *buf, const char *fmt, ...)
++{
++      va_list args;
++      int len;
++
++      if (WARN(!buf || offset_in_page(buf),
++               "invalid sysfs_emit: buf:%p\n", buf))
++              return 0;
++
++      va_start(args, fmt);
++      len = vscnprintf(buf, PAGE_SIZE, fmt, args);
++      va_end(args);
++
++      return len;
++}
++EXPORT_SYMBOL_GPL(sysfs_emit);
++
++/**
++ *    sysfs_emit_at - scnprintf equivalent, aware of PAGE_SIZE buffer.
++ *    @buf:   start of PAGE_SIZE buffer.
++ *    @at:    offset in @buf to start write in bytes
++ *            @at must be >= 0 && < PAGE_SIZE
++ *    @fmt:   format
++ *    @...:   optional arguments to @fmt
++ *
++ *
++ * Returns number of characters written starting at &@buf[@at].
++ */
++int sysfs_emit_at(char *buf, int at, const char *fmt, ...)
++{
++      va_list args;
++      int len;
++
++      if (WARN(!buf || offset_in_page(buf) || at < 0 || at >= PAGE_SIZE,
++               "invalid sysfs_emit_at: buf:%p at:%d\n", buf, at))
++              return 0;
++
++      va_start(args, fmt);
++      len = vscnprintf(buf + at, PAGE_SIZE - at, fmt, args);
++      va_end(args);
++
++      return len;
++}
++EXPORT_SYMBOL_GPL(sysfs_emit_at);
+diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
+index dec511823fcbc..ca8c763902b96 100644
+--- a/fs/xfs/xfs_iops.c
++++ b/fs/xfs/xfs_iops.c
+@@ -839,7 +839,7 @@ xfs_setattr_size(
+       ASSERT(xfs_isilocked(ip, XFS_MMAPLOCK_EXCL));
+       ASSERT(S_ISREG(inode->i_mode));
+       ASSERT((iattr->ia_valid & (ATTR_UID|ATTR_GID|ATTR_ATIME|ATTR_ATIME_SET|
+-              ATTR_MTIME_SET|ATTR_KILL_PRIV|ATTR_TIMES_SET)) == 0);
++              ATTR_MTIME_SET|ATTR_TIMES_SET)) == 0);
+ 
+       oldsize = inode->i_size;
+       newsize = iattr->ia_size;
+diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
+index 3e0692fd6282c..db1b9623977c8 100644
+--- a/include/linux/netdevice.h
++++ b/include/linux/netdevice.h
+@@ -3679,6 +3679,9 @@ int dev_pre_changeaddr_notify(struct net_device *dev, 
const char *addr,
+                             struct netlink_ext_ack *extack);
+ int dev_set_mac_address(struct net_device *dev, struct sockaddr *sa,
+                       struct netlink_ext_ack *extack);
++int dev_set_mac_address_user(struct net_device *dev, struct sockaddr *sa,
++                           struct netlink_ext_ack *extack);
++int dev_get_mac_address(struct sockaddr *sa, struct net *net, char *dev_name);
+ int dev_change_carrier(struct net_device *, bool new_carrier);
+ int dev_get_phys_port_id(struct net_device *dev,
+                        struct netdev_phys_item_id *ppid);
+diff --git a/include/linux/swap.h b/include/linux/swap.h
+index 063c0c1e112bd..136a929648ef4 100644
+--- a/include/linux/swap.h
++++ b/include/linux/swap.h
+@@ -473,6 +473,7 @@ struct backing_dev_info;
+ extern int init_swap_address_space(unsigned int type, unsigned long nr_pages);
+ extern void exit_swap_address_space(unsigned int type);
+ extern struct swap_info_struct *get_swap_device(swp_entry_t entry);
++sector_t swap_page_sector(struct page *page);
+ 
+ static inline void put_swap_device(struct swap_info_struct *si)
+ {
+diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
+index fa7ee503fb763..428707ac3c0bd 100644
+--- a/include/linux/sysfs.h
++++ b/include/linux/sysfs.h
+@@ -310,6 +310,11 @@ static inline void sysfs_enable_ns(struct kernfs_node *kn)
+       return kernfs_enable_ns(kn);
+ }
+ 
++__printf(2, 3)
++int sysfs_emit(char *buf, const char *fmt, ...);
++__printf(3, 4)
++int sysfs_emit_at(char *buf, int at, const char *fmt, ...);
++
+ #else /* CONFIG_SYSFS */
+ 
+ static inline int sysfs_create_dir_ns(struct kobject *kobj, const void *ns)
+@@ -522,6 +527,17 @@ static inline void sysfs_enable_ns(struct kernfs_node *kn)
+ {
+ }
+ 
++__printf(2, 3)
++static inline int sysfs_emit(char *buf, const char *fmt, ...)
++{
++      return 0;
++}
++
++__printf(3, 4)
++static inline int sysfs_emit_at(char *buf, int at, const char *fmt, ...)
++{
++      return 0;
++}
+ #endif /* CONFIG_SYSFS */
+ 
+ static inline int __must_check sysfs_create_file(struct kobject *kobj,
+diff --git a/include/linux/zsmalloc.h b/include/linux/zsmalloc.h
+index 4807ca4d52e03..2a430e713ce51 100644
+--- a/include/linux/zsmalloc.h
++++ b/include/linux/zsmalloc.h
+@@ -35,7 +35,7 @@ enum zs_mapmode {
+ 
+ struct zs_pool_stats {
+       /* How many pages were migrated (freed) */
+-      unsigned long pages_compacted;
++      atomic_long_t pages_compacted;
+ };
+ 
+ struct zs_pool;
+diff --git a/kernel/sched/core.c b/kernel/sched/core.c
+index 7841e738e38f0..2ce61018e33b6 100644
+--- a/kernel/sched/core.c
++++ b/kernel/sched/core.c
+@@ -254,8 +254,9 @@ static enum hrtimer_restart hrtick(struct hrtimer *timer)
+ static void __hrtick_restart(struct rq *rq)
+ {
+       struct hrtimer *timer = &rq->hrtick_timer;
++      ktime_t time = rq->hrtick_time;
+ 
+-      hrtimer_start_expires(timer, HRTIMER_MODE_ABS_PINNED_HARD);
++      hrtimer_start(timer, time, HRTIMER_MODE_ABS_PINNED_HARD);
+ }
+ 
+ /*
+@@ -280,7 +281,6 @@ static void __hrtick_start(void *arg)
+ void hrtick_start(struct rq *rq, u64 delay)
+ {
+       struct hrtimer *timer = &rq->hrtick_timer;
+-      ktime_t time;
+       s64 delta;
+ 
+       /*
+@@ -288,9 +288,7 @@ void hrtick_start(struct rq *rq, u64 delay)
+        * doesn't make sense and can cause timer DoS.
+        */
+       delta = max_t(s64, delay, 10000LL);
+-      time = ktime_add_ns(timer->base->get_time(), delta);
+-
+-      hrtimer_set_expires(timer, time);
++      rq->hrtick_time = ktime_add_ns(timer->base->get_time(), delta);
+ 
+       if (rq == this_rq()) {
+               __hrtick_restart(rq);
+diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
+index e10fb9bf2988c..4e490e3db2f86 100644
+--- a/kernel/sched/sched.h
++++ b/kernel/sched/sched.h
+@@ -973,6 +973,7 @@ struct rq {
+       call_single_data_t      hrtick_csd;
+ #endif
+       struct hrtimer          hrtick_timer;
++      ktime_t                 hrtick_time;
+ #endif
+ 
+ #ifdef CONFIG_SCHEDSTATS
+diff --git a/mm/hugetlb.c b/mm/hugetlb.c
+index 2cd4c7f43dcd9..4033b6ce01c40 100644
+--- a/mm/hugetlb.c
++++ b/mm/hugetlb.c
+@@ -4902,21 +4902,23 @@ static bool vma_shareable(struct vm_area_struct *vma, 
unsigned long addr)
+ void adjust_range_if_pmd_sharing_possible(struct vm_area_struct *vma,
+                               unsigned long *start, unsigned long *end)
+ {
+-      unsigned long a_start, a_end;
++      unsigned long v_start = ALIGN(vma->vm_start, PUD_SIZE),
++              v_end = ALIGN_DOWN(vma->vm_end, PUD_SIZE);
+ 
+-      if (!(vma->vm_flags & VM_MAYSHARE))
++      /*
++       * vma need span at least one aligned PUD size and the start,end range
++       * must at least partialy within it.
++       */
++      if (!(vma->vm_flags & VM_MAYSHARE) || !(v_end > v_start) ||
++              (*end <= v_start) || (*start >= v_end))
+               return;
+ 
+       /* Extend the range to be PUD aligned for a worst case scenario */
+-      a_start = ALIGN_DOWN(*start, PUD_SIZE);
+-      a_end = ALIGN(*end, PUD_SIZE);
++      if (*start > v_start)
++              *start = ALIGN_DOWN(*start, PUD_SIZE);
+ 
+-      /*
+-       * Intersect the range with the vma range, since pmd sharing won't be
+-       * across vma after all
+-       */
+-      *start = max(vma->vm_start, a_start);
+-      *end = min(vma->vm_end, a_end);
++      if (*end < v_end)
++              *end = ALIGN(*end, PUD_SIZE);
+ }
+ 
+ /*
+diff --git a/mm/page_io.c b/mm/page_io.c
+index 60a66a58b9bf9..bcf27d0572534 100644
+--- a/mm/page_io.c
++++ b/mm/page_io.c
+@@ -260,11 +260,6 @@ out:
+       return ret;
+ }
+ 
+-static sector_t swap_page_sector(struct page *page)
+-{
+-      return (sector_t)__page_file_index(page) << (PAGE_SHIFT - 9);
+-}
+-
+ static inline void count_swpout_vm_event(struct page *page)
+ {
+ #ifdef CONFIG_TRANSPARENT_HUGEPAGE
+diff --git a/mm/swapfile.c b/mm/swapfile.c
+index 7947633d3cede..f6964212c6c8f 100644
+--- a/mm/swapfile.c
++++ b/mm/swapfile.c
+@@ -221,6 +221,19 @@ offset_to_swap_extent(struct swap_info_struct *sis, 
unsigned long offset)
+       BUG();
+ }
+ 
++sector_t swap_page_sector(struct page *page)
++{
++      struct swap_info_struct *sis = page_swap_info(page);
++      struct swap_extent *se;
++      sector_t sector;
++      pgoff_t offset;
++
++      offset = __page_file_index(page);
++      se = offset_to_swap_extent(sis, offset);
++      sector = se->start_block + (offset - se->start_page);
++      return sector << (PAGE_SHIFT - 9);
++}
++
+ /*
+  * swap allocation tell device that a cluster of swap can now be discarded,
+  * to allow the swap device to optimize its wear-levelling.
+diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
+index 8a72a3b3837b4..443b3b1c95818 100644
+--- a/mm/zsmalloc.c
++++ b/mm/zsmalloc.c
+@@ -2216,11 +2216,13 @@ static unsigned long zs_can_compact(struct size_class 
*class)
+       return obj_wasted * class->pages_per_zspage;
+ }
+ 
+-static void __zs_compact(struct zs_pool *pool, struct size_class *class)
++static unsigned long __zs_compact(struct zs_pool *pool,
++                                struct size_class *class)
+ {
+       struct zs_compact_control cc;
+       struct zspage *src_zspage;
+       struct zspage *dst_zspage = NULL;
++      unsigned long pages_freed = 0;
+ 
+       spin_lock(&class->lock);
+       while ((src_zspage = isolate_zspage(class, true))) {
+@@ -2250,7 +2252,7 @@ static void __zs_compact(struct zs_pool *pool, struct 
size_class *class)
+               putback_zspage(class, dst_zspage);
+               if (putback_zspage(class, src_zspage) == ZS_EMPTY) {
+                       free_zspage(pool, class, src_zspage);
+-                      pool->stats.pages_compacted += class->pages_per_zspage;
++                      pages_freed += class->pages_per_zspage;
+               }
+               spin_unlock(&class->lock);
+               cond_resched();
+@@ -2261,12 +2263,15 @@ static void __zs_compact(struct zs_pool *pool, struct 
size_class *class)
+               putback_zspage(class, src_zspage);
+ 
+       spin_unlock(&class->lock);
++
++      return pages_freed;
+ }
+ 
+ unsigned long zs_compact(struct zs_pool *pool)
+ {
+       int i;
+       struct size_class *class;
++      unsigned long pages_freed = 0;
+ 
+       for (i = ZS_SIZE_CLASSES - 1; i >= 0; i--) {
+               class = pool->size_class[i];
+@@ -2274,10 +2279,11 @@ unsigned long zs_compact(struct zs_pool *pool)
+                       continue;
+               if (class->index != i)
+                       continue;
+-              __zs_compact(pool, class);
++              pages_freed += __zs_compact(pool, class);
+       }
++      atomic_long_add(pages_freed, &pool->stats.pages_compacted);
+ 
+-      return pool->stats.pages_compacted;
++      return pages_freed;
+ }
+ EXPORT_SYMBOL_GPL(zs_compact);
+ 
+@@ -2294,13 +2300,12 @@ static unsigned long zs_shrinker_scan(struct shrinker 
*shrinker,
+       struct zs_pool *pool = container_of(shrinker, struct zs_pool,
+                       shrinker);
+ 
+-      pages_freed = pool->stats.pages_compacted;
+       /*
+        * Compact classes and calculate compaction delta.
+        * Can run concurrently with a manually triggered
+        * (by user) compaction.
+        */
+-      pages_freed = zs_compact(pool) - pages_freed;
++      pages_freed = zs_compact(pool);
+ 
+       return pages_freed ? pages_freed : SHRINK_STOP;
+ }
+diff --git a/net/bluetooth/amp.c b/net/bluetooth/amp.c
+index 9c711f0dfae35..be2d469d6369d 100644
+--- a/net/bluetooth/amp.c
++++ b/net/bluetooth/amp.c
+@@ -297,6 +297,9 @@ void amp_read_loc_assoc_final_data(struct hci_dev *hdev,
+       struct hci_request req;
+       int err;
+ 
++      if (!mgr)
++              return;
++
+       cp.phy_handle = hcon->handle;
+       cp.len_so_far = cpu_to_le16(0);
+       cp.max_len = cpu_to_le16(hdev->amp_assoc_size);
+diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c
+index 7a59cdddd3ce3..5047e9c2333a2 100644
+--- a/net/bridge/br_sysfs_if.c
++++ b/net/bridge/br_sysfs_if.c
+@@ -55,9 +55,8 @@ static BRPORT_ATTR(_name, 0644,                              
        \
+ static int store_flag(struct net_bridge_port *p, unsigned long v,
+                     unsigned long mask)
+ {
+-      unsigned long flags;
+-
+-      flags = p->flags;
++      unsigned long flags = p->flags;
++      int err;
+ 
+       if (v)
+               flags |= mask;
+@@ -65,6 +64,10 @@ static int store_flag(struct net_bridge_port *p, unsigned 
long v,
+               flags &= ~mask;
+ 
+       if (flags != p->flags) {
++              err = br_switchdev_set_port_flag(p, flags, mask);
++              if (err)
++                      return err;
++
+               p->flags = flags;
+               br_port_flags_change(p, mask);
+       }
+diff --git a/net/core/dev.c b/net/core/dev.c
+index d90e8bd87df83..e732faade5dca 100644
+--- a/net/core/dev.c
++++ b/net/core/dev.c
+@@ -8144,6 +8144,48 @@ int dev_set_mac_address(struct net_device *dev, struct 
sockaddr *sa,
+ }
+ EXPORT_SYMBOL(dev_set_mac_address);
+ 
++static DECLARE_RWSEM(dev_addr_sem);
++
++int dev_set_mac_address_user(struct net_device *dev, struct sockaddr *sa,
++                           struct netlink_ext_ack *extack)
++{
++      int ret;
++
++      down_write(&dev_addr_sem);
++      ret = dev_set_mac_address(dev, sa, extack);
++      up_write(&dev_addr_sem);
++      return ret;
++}
++EXPORT_SYMBOL(dev_set_mac_address_user);
++
++int dev_get_mac_address(struct sockaddr *sa, struct net *net, char *dev_name)
++{
++      size_t size = sizeof(sa->sa_data);
++      struct net_device *dev;
++      int ret = 0;
++
++      down_read(&dev_addr_sem);
++      rcu_read_lock();
++
++      dev = dev_get_by_name_rcu(net, dev_name);
++      if (!dev) {
++              ret = -ENODEV;
++              goto unlock;
++      }
++      if (!dev->addr_len)
++              memset(sa->sa_data, 0, size);
++      else
++              memcpy(sa->sa_data, dev->dev_addr,
++                     min_t(size_t, size, dev->addr_len));
++      sa->sa_family = dev->type;
++
++unlock:
++      rcu_read_unlock();
++      up_read(&dev_addr_sem);
++      return ret;
++}
++EXPORT_SYMBOL(dev_get_mac_address);
++
+ /**
+  *    dev_change_carrier - Change device carrier
+  *    @dev: device
+diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c
+index 5163d900bb4fb..69fb9219d51dd 100644
+--- a/net/core/dev_ioctl.c
++++ b/net/core/dev_ioctl.c
+@@ -122,17 +122,6 @@ static int dev_ifsioc_locked(struct net *net, struct 
ifreq *ifr, unsigned int cm
+               ifr->ifr_mtu = dev->mtu;
+               return 0;
+ 
+-      case SIOCGIFHWADDR:
+-              if (!dev->addr_len)
+-                      memset(ifr->ifr_hwaddr.sa_data, 0,
+-                             sizeof(ifr->ifr_hwaddr.sa_data));
+-              else
+-                      memcpy(ifr->ifr_hwaddr.sa_data, dev->dev_addr,
+-                             min(sizeof(ifr->ifr_hwaddr.sa_data),
+-                                 (size_t)dev->addr_len));
+-              ifr->ifr_hwaddr.sa_family = dev->type;
+-              return 0;
+-
+       case SIOCGIFSLAVE:
+               err = -EINVAL;
+               break;
+@@ -246,7 +235,7 @@ static int dev_ifsioc(struct net *net, struct ifreq *ifr, 
unsigned int cmd)
+       case SIOCSIFHWADDR:
+               if (dev->addr_len > sizeof(struct sockaddr))
+                       return -EINVAL;
+-              return dev_set_mac_address(dev, &ifr->ifr_hwaddr, NULL);
++              return dev_set_mac_address_user(dev, &ifr->ifr_hwaddr, NULL);
+ 
+       case SIOCSIFHWBROADCAST:
+               if (ifr->ifr_hwaddr.sa_family != dev->type)
+@@ -396,6 +385,12 @@ int dev_ioctl(struct net *net, unsigned int cmd, struct 
ifreq *ifr, bool *need_c
+        */
+ 
+       switch (cmd) {
++      case SIOCGIFHWADDR:
++              dev_load(net, ifr->ifr_name);
++              ret = dev_get_mac_address(&ifr->ifr_hwaddr, net, ifr->ifr_name);
++              if (colon)
++                      *colon = ':';
++              return ret;
+       /*
+        *      These ioctl calls:
+        *      - can be done by all.
+@@ -405,7 +400,6 @@ int dev_ioctl(struct net *net, unsigned int cmd, struct 
ifreq *ifr, bool *need_c
+       case SIOCGIFFLAGS:
+       case SIOCGIFMETRIC:
+       case SIOCGIFMTU:
+-      case SIOCGIFHWADDR:
+       case SIOCGIFSLAVE:
+       case SIOCGIFMAP:
+       case SIOCGIFINDEX:
+diff --git a/net/core/pktgen.c b/net/core/pktgen.c
+index cb3b565ff5adc..1d20dd70879bb 100644
+--- a/net/core/pktgen.c
++++ b/net/core/pktgen.c
+@@ -3465,7 +3465,7 @@ static int pktgen_thread_worker(void *arg)
+       struct pktgen_dev *pkt_dev = NULL;
+       int cpu = t->cpu;
+ 
+-      BUG_ON(smp_processor_id() != cpu);
++      WARN_ON(smp_processor_id() != cpu);
+ 
+       init_waitqueue_head(&t->queue);
+       complete(&t->start_done);
+diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
+index b0c06a0637765..73c09b5864d70 100644
+--- a/net/core/rtnetlink.c
++++ b/net/core/rtnetlink.c
+@@ -2471,7 +2471,7 @@ static int do_setlink(const struct sk_buff *skb,
+               sa->sa_family = dev->type;
+               memcpy(sa->sa_data, nla_data(tb[IFLA_ADDRESS]),
+                      dev->addr_len);
+-              err = dev_set_mac_address(dev, sa, extack);
++              err = dev_set_mac_address_user(dev, sa, extack);
+               kfree(sa);
+               if (err)
+                       goto errout;
+diff --git a/net/core/skbuff.c b/net/core/skbuff.c
+index 45117fa299837..99d6f4d1297ca 100644
+--- a/net/core/skbuff.c
++++ b/net/core/skbuff.c
+@@ -3290,7 +3290,19 @@ EXPORT_SYMBOL(skb_split);
+  */
+ static int skb_prepare_for_shift(struct sk_buff *skb)
+ {
+-      return skb_cloned(skb) && pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
++      int ret = 0;
++
++      if (skb_cloned(skb)) {
++              /* Save and restore truesize: pskb_expand_head() may reallocate
++               * memory where ksize(kmalloc(S)) != ksize(kmalloc(S)), but we
++               * cannot change truesize at this point.
++               */
++              unsigned int save_truesize = skb->truesize;
++
++              ret = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
++              skb->truesize = save_truesize;
++      }
++      return ret;
+ }
+ 
+ /**
+diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
+index fdced0a7bd776..bbc1924d64e51 100644
+--- a/net/iucv/af_iucv.c
++++ b/net/iucv/af_iucv.c
+@@ -2176,7 +2176,6 @@ static int afiucv_hs_rcv(struct sk_buff *skb, struct 
net_device *dev,
+       char nullstring[8];
+ 
+       if (!pskb_may_pull(skb, sizeof(*trans_hdr))) {
+-              WARN_ONCE(1, "AF_IUCV failed to receive skb, len=%u", skb->len);
+               kfree_skb(skb);
+               return NET_RX_SUCCESS;
+       }
+diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c
+index 9c4308077574c..5e75ff2e1b14f 100644
+--- a/security/smack/smackfs.c
++++ b/security/smack/smackfs.c
+@@ -1163,7 +1163,7 @@ static ssize_t smk_write_net4addr(struct file *file, 
const char __user *buf,
+               return -EPERM;
+       if (*ppos != 0)
+               return -EINVAL;
+-      if (count < SMK_NETLBLADDRMIN)
++      if (count < SMK_NETLBLADDRMIN || count > PAGE_SIZE - 1)
+               return -EINVAL;
+ 
+       data = memdup_user_nul(buf, count);
+@@ -1423,7 +1423,7 @@ static ssize_t smk_write_net6addr(struct file *file, 
const char __user *buf,
+               return -EPERM;
+       if (*ppos != 0)
+               return -EINVAL;
+-      if (count < SMK_NETLBLADDRMIN)
++      if (count < SMK_NETLBLADDRMIN || count > PAGE_SIZE - 1)
+               return -EINVAL;
+ 
+       data = memdup_user_nul(buf, count);
+@@ -1830,6 +1830,10 @@ static ssize_t smk_write_ambient(struct file *file, 
const char __user *buf,
+       if (!smack_privileged(CAP_MAC_ADMIN))
+               return -EPERM;
+ 
++      /* Enough data must be present */
++      if (count == 0 || count > PAGE_SIZE)
++              return -EINVAL;
++
+       data = memdup_user_nul(buf, count);
+       if (IS_ERR(data))
+               return PTR_ERR(data);
+@@ -2001,6 +2005,9 @@ static ssize_t smk_write_onlycap(struct file *file, 
const char __user *buf,
+       if (!smack_privileged(CAP_MAC_ADMIN))
+               return -EPERM;
+ 
++      if (count > PAGE_SIZE)
++              return -EINVAL;
++
+       data = memdup_user_nul(buf, count);
+       if (IS_ERR(data))
+               return PTR_ERR(data);
+@@ -2088,6 +2095,9 @@ static ssize_t smk_write_unconfined(struct file *file, 
const char __user *buf,
+       if (!smack_privileged(CAP_MAC_ADMIN))
+               return -EPERM;
+ 
++      if (count > PAGE_SIZE)
++              return -EINVAL;
++
+       data = memdup_user_nul(buf, count);
+       if (IS_ERR(data))
+               return PTR_ERR(data);
+@@ -2643,6 +2653,10 @@ static ssize_t smk_write_syslog(struct file *file, 
const char __user *buf,
+       if (!smack_privileged(CAP_MAC_ADMIN))
+               return -EPERM;
+ 
++      /* Enough data must be present */
++      if (count == 0 || count > PAGE_SIZE)
++              return -EINVAL;
++
+       data = memdup_user_nul(buf, count);
+       if (IS_ERR(data))
+               return PTR_ERR(data);
+@@ -2735,10 +2749,13 @@ static ssize_t smk_write_relabel_self(struct file 
*file, const char __user *buf,
+               return -EPERM;
+ 
+       /*
++       * No partial write.
+        * Enough data must be present.
+        */
+       if (*ppos != 0)
+               return -EINVAL;
++      if (count == 0 || count > PAGE_SIZE)
++              return -EINVAL;
+ 
+       data = memdup_user_nul(buf, count);
+       if (IS_ERR(data))
+diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
+index a132fe4537a55..1283796316b62 100644
+--- a/sound/pci/hda/patch_realtek.c
++++ b/sound/pci/hda/patch_realtek.c
+@@ -2522,6 +2522,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = {
+       SND_PCI_QUIRK(0x1462, 0x1276, "MSI-GL73", ALC1220_FIXUP_CLEVO_P950),
+       SND_PCI_QUIRK(0x1462, 0x1293, "MSI-GP65", ALC1220_FIXUP_CLEVO_P950),
+       SND_PCI_QUIRK(0x1462, 0x7350, "MSI-7350", ALC889_FIXUP_CD),
++      SND_PCI_QUIRK(0x1462, 0xcc34, "MSI Godlike X570", 
ALC1220_FIXUP_GB_DUAL_CODECS),
+       SND_PCI_QUIRK(0x1462, 0xda57, "MSI Z270-Gaming", 
ALC1220_FIXUP_GB_DUAL_CODECS),
+       SND_PCI_QUIRK_VENDOR(0x1462, "MSI", ALC882_FIXUP_GPIO3),
+       SND_PCI_QUIRK(0x147b, 0x107a, "Abit AW9D-MAX", 
ALC882_FIXUP_ABIT_AW9D_MAX),
+@@ -6320,6 +6321,7 @@ enum {
+       ALC269_FIXUP_LEMOTE_A1802,
+       ALC269_FIXUP_LEMOTE_A190X,
+       ALC256_FIXUP_INTEL_NUC8_RUGGED,
++      ALC256_FIXUP_INTEL_NUC10,
+       ALC255_FIXUP_XIAOMI_HEADSET_MIC,
+       ALC274_FIXUP_HP_MIC,
+       ALC274_FIXUP_HP_HEADSET_MIC,
+@@ -7697,6 +7699,15 @@ static const struct hda_fixup alc269_fixups[] = {
+               .chained = true,
+               .chain_id = ALC269_FIXUP_HEADSET_MODE
+       },
++      [ALC256_FIXUP_INTEL_NUC10] = {
++              .type = HDA_FIXUP_PINS,
++              .v.pins = (const struct hda_pintbl[]) {
++                      { 0x19, 0x01a1913c }, /* use as headset mic, without 
its own jack detect */
++                      { }
++              },
++              .chained = true,
++              .chain_id = ALC269_FIXUP_HEADSET_MODE
++      },
+       [ALC255_FIXUP_XIAOMI_HEADSET_MIC] = {
+               .type = HDA_FIXUP_VERBS,
+               .v.verbs = (const struct hda_verb[]) {
+@@ -8001,6 +8012,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
+       SND_PCI_QUIRK(0x1558, 0x8551, "System76 Gazelle (gaze14)", 
ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
+       SND_PCI_QUIRK(0x1558, 0x8560, "System76 Gazelle (gaze14)", 
ALC269_FIXUP_HEADSET_MIC),
+       SND_PCI_QUIRK(0x1558, 0x8561, "System76 Gazelle (gaze14)", 
ALC269_FIXUP_HEADSET_MIC),
++      SND_PCI_QUIRK(0x1558, 0x8562, "Clevo NH[5|7][0-9]RZ[Q]", 
ALC269_FIXUP_DMIC),
+       SND_PCI_QUIRK(0x1558, 0x8668, "Clevo NP50B[BE]", 
ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
+       SND_PCI_QUIRK(0x1558, 0x8680, "Clevo NJ50LU", 
ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
+       SND_PCI_QUIRK(0x1558, 0x8686, "Clevo NH50[CZ]U", 
ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
+@@ -8095,6 +8107,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
+       SND_PCI_QUIRK(0x1c06, 0x2013, "Lemote A1802", 
ALC269_FIXUP_LEMOTE_A1802),
+       SND_PCI_QUIRK(0x1c06, 0x2015, "Lemote A190X", 
ALC269_FIXUP_LEMOTE_A190X),
+       SND_PCI_QUIRK(0x8086, 0x2080, "Intel NUC 8 Rugged", 
ALC256_FIXUP_INTEL_NUC8_RUGGED),
++      SND_PCI_QUIRK(0x8086, 0x2081, "Intel NUC 10", ALC256_FIXUP_INTEL_NUC10),
+ 
+ #if 0
+       /* Below is a quirk table taken from the old code.
+diff --git a/sound/soc/intel/boards/bytcr_rt5640.c 
b/sound/soc/intel/boards/bytcr_rt5640.c
+index 6012367f6fe48..9ee610504bac9 100644
+--- a/sound/soc/intel/boards/bytcr_rt5640.c
++++ b/sound/soc/intel/boards/bytcr_rt5640.c
+@@ -400,6 +400,19 @@ static const struct dmi_system_id 
byt_rt5640_quirk_table[] = {
+                                       BYT_RT5640_SSP0_AIF1 |
+                                       BYT_RT5640_MCLK_EN),
+       },
++      {       /* Acer One 10 S1002 */
++              .matches = {
++                      DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
++                      DMI_MATCH(DMI_PRODUCT_NAME, "One S1002"),
++              },
++              .driver_data = (void *)(BYT_RT5640_IN1_MAP |
++                                      BYT_RT5640_JD_SRC_JD2_IN4N |
++                                      BYT_RT5640_OVCD_TH_2000UA |
++                                      BYT_RT5640_OVCD_SF_0P75 |
++                                      BYT_RT5640_DIFF_MIC |
++                                      BYT_RT5640_SSP0_AIF2 |
++                                      BYT_RT5640_MCLK_EN),
++      },
+       {
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+@@ -513,6 +526,16 @@ static const struct dmi_system_id 
byt_rt5640_quirk_table[] = {
+                                       BYT_RT5640_MONO_SPEAKER |
+                                       BYT_RT5640_MCLK_EN),
+       },
++      {       /* Estar Beauty HD MID 7316R */
++              .matches = {
++                      DMI_MATCH(DMI_SYS_VENDOR, "Estar"),
++                      DMI_MATCH(DMI_PRODUCT_NAME, "eSTAR BEAUTY HD Intel Quad 
core"),
++              },
++              .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
++                                      BYT_RT5640_MONO_SPEAKER |
++                                      BYT_RT5640_SSP0_AIF1 |
++                                      BYT_RT5640_MCLK_EN),
++      },
+       {
+               .matches = {
+                       DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+@@ -776,6 +799,20 @@ static const struct dmi_system_id 
byt_rt5640_quirk_table[] = {
+                                       BYT_RT5640_SSP0_AIF2 |
+                                       BYT_RT5640_MCLK_EN),
+       },
++      {       /* Voyo Winpad A15 */
++              .matches = {
++                      DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
++                      DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
++                      /* Above strings are too generic, also match on BIOS 
date */
++                      DMI_MATCH(DMI_BIOS_DATE, "11/20/2014"),
++              },
++              .driver_data = (void *)(BYT_RT5640_IN1_MAP |
++                                      BYT_RT5640_JD_SRC_JD2_IN4N |
++                                      BYT_RT5640_OVCD_TH_2000UA |
++                                      BYT_RT5640_OVCD_SF_0P75 |
++                                      BYT_RT5640_DIFF_MIC |
++                                      BYT_RT5640_MCLK_EN),
++      },
+       {       /* Catch-all for generic Insyde tablets, must be last */
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
+diff --git a/sound/soc/intel/boards/bytcr_rt5651.c 
b/sound/soc/intel/boards/bytcr_rt5651.c
+index 4606f6f582d6f..921c09cdb4800 100644
+--- a/sound/soc/intel/boards/bytcr_rt5651.c
++++ b/sound/soc/intel/boards/bytcr_rt5651.c
+@@ -435,6 +435,19 @@ static const struct dmi_system_id 
byt_rt5651_quirk_table[] = {
+                                       BYT_RT5651_SSP0_AIF1 |
+                                       BYT_RT5651_MONO_SPEAKER),
+       },
++      {
++              /* Jumper EZpad 7 */
++              .callback = byt_rt5651_quirk_cb,
++              .matches = {
++                      DMI_MATCH(DMI_SYS_VENDOR, "Jumper"),
++                      DMI_MATCH(DMI_PRODUCT_NAME, "EZpad"),
++                      /* Jumper12x.WJ2012.bsBKRCP05 with the version dropped 
*/
++                      DMI_MATCH(DMI_BIOS_VERSION, "Jumper12x.WJ2012.bsBKRCP"),
++              },
++              .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS |
++                                      BYT_RT5651_IN2_MAP |
++                                      BYT_RT5651_JD_NOT_INV),
++      },
+       {
+               /* KIANO SlimNote 14.2 */
+               .callback = byt_rt5651_quirk_cb,
+diff --git a/sound/soc/intel/common/soc-intel-quirks.h 
b/sound/soc/intel/common/soc-intel-quirks.h
+index 863a477d34051..645baf0ed3dd1 100644
+--- a/sound/soc/intel/common/soc-intel-quirks.h
++++ b/sound/soc/intel/common/soc-intel-quirks.h
+@@ -11,6 +11,7 @@
+ 
+ #if IS_ENABLED(CONFIG_X86)
+ 
++#include <linux/dmi.h>
+ #include <asm/cpu_device_id.h>
+ #include <asm/intel-family.h>
+ #include <asm/iosf_mbi.h>
+@@ -40,12 +41,36 @@ SOC_INTEL_IS_CPU(cml, INTEL_FAM6_KABYLAKE_L);
+ 
+ static inline bool soc_intel_is_byt_cr(struct platform_device *pdev)
+ {
++      /*
++       * List of systems which:
++       * 1. Use a non CR version of the Bay Trail SoC
++       * 2. Contain at least 6 interrupt resources so that the
++       *    platform_get_resource(pdev, IORESOURCE_IRQ, 5) check below
++       *    succeeds
++       * 3. Despite 1. and 2. still have their IPC IRQ at index 0 rather then 
5
++       *
++       * This needs to be here so that it can be shared between the SST and
++       * SOF drivers. We rely on the compiler to optimize this out in files
++       * where soc_intel_is_byt_cr is not used.
++       */
++      static const struct dmi_system_id force_bytcr_table[] = {
++              {       /* Lenovo Yoga Tablet 2 series */
++                      .matches = {
++                              DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
++                              DMI_MATCH(DMI_PRODUCT_FAMILY, "YOGATablet2"),
++                      },
++              },
++              {}
++      };
+       struct device *dev = &pdev->dev;
+       int status = 0;
+ 
+       if (!soc_intel_is_byt())
+               return false;
+ 
++      if (dmi_check_system(force_bytcr_table))
++              return true;
++
+       if (iosf_mbi_available()) {
+               u32 bios_status;
+ 

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